EZVIZ EP8 Ultra: A Wire-Free Video Doorbell for Parcels and Callers

The EZVIZ EP8 Ultra is a wire-free video doorbell with two cameras: a 6MP upper lens that watches the approach and a 2MP lower lens angled down at the doorstep, so a parcel left on the mat is in view as well as the person who rang. It runs from two detachable 9,600mAh batteries, or from existing doorbell wiring at 8-24V AC, and it records to 32GB of built-in storage with no subscription fee¹.

For a household, that combination answers the two questions people usually ask about a doorbell. Will it keep working when the battery runs down or the broadband drops? And will I still see what happened without paying monthly? The batteries are removable and there is a spare in the box, recordings sit on the doorbell itself, and cloud storage is offered as an optional extra rather than a requirement¹.

This page sets out what the EP8 Ultra does, the specifications that decide whether it suits your door, how to fit and run it safely, and where its limits are. It is one product described on its own terms; for how doorbells compare as a category, see Video Doorbells: What They Do and How to Choose One.

What the EP8 Ultra is and who it suits

EZVIZ calls the EP8 Ultra a wire-free video doorbell, model CS-EP8 Ultra¹. It measures 155 × 54 × 35 mm and weighs 650 g with its packaging¹. The point of the design is the second camera. Most doorbells look outwards at head height; the EP8 Ultra adds a downward lens so that the ground in front of the door is covered, which is where deliveries are left and where a caller stands when they step back¹.

That makes it a sensible fit for a household that takes a lot of parcels, or where the door is set back from the path so a single wide lens would miss the step. The upper camera has a 2.0mm lens at F1.6 with a 162° diagonal field of view, and the lower camera a 1.8mm lens at F2.4 with an 88° diagonal field of view¹. The main camera records at 6MP (2464 × 2464) and the bottom camera at 2MP (1920 × 1080), both from a 1/2.8 inch progressive scan CMOS sensor that EZVIZ says supports low light sensitivity, at a fixed 15fps¹.

It is not a substitute for a burglar alarm, and it is not sold as one. It is a camera at the door that lets you see and speak to whoever is there, and review what happened afterwards. If you are weighing a doorbell against a separate outdoor camera, Video Doorbell or Outdoor Camera? sets out the difference, and Home Cameras and CCTV: Types and How to Choose covers the wider field.

Specifications at a glance

Power: two batteries, or the existing doorbell wiring

The EP8 Ultra ships with two 9,600mAh detachable lithium batteries, and EZVIZ describes the second as a back-up battery included free¹. Having two matters in practice: one can be on the doorbell while the other is indoors charging, so the door is never unwatched for the length of a charge. The doorbell can also be wired to an existing doorbell supply at 8-24V AC, or fed by Type-C at 5V (±10%), and it draws a maximum of 3W¹.

EZVIZ does not state a running time in days or weeks for a charge, so no figure is given here. How long a battery lasts will depend on how often the camera is triggered, how much live viewing you do, the sensitivity setting and the weather, and the honest answer is that you will learn your own door's pattern in the first month. The five PIR sensitivity levels are a direct control on this: high reaches 6 m, mid-high 5 m, medium 4 m, mid-low 3 m and low up to 2 m¹. Turning sensitivity down to cover only the path, rather than the pavement beyond it, cuts the number of recordings and stretches each charge.

Charging is by the supplied Type-C cable. EZVIZ does not publish a charge time for the batteries, so follow the quick start guide in the box for the maker's own instructions. Charge on a hard, non-flammable surface indoors, not on a bed or sofa, and not somewhere the cable can be tripped over. For how a doorbell fits into a wider plan for outages, see Keeping Your Home Protected in a Power Cut.

What it records, and where the footage lives

Recordings are stored on 32GB of built-in eMMC memory, and EZVIZ states plainly that there is no subscription fee¹. That is the difference that matters to most households: the doorbell works as a recorder out of the box, and you are not renting the ability to see yesterday's caller. EZVIZ says the built-in storage can hold up to 6 months of video history if it records 10 minutes of activity every day¹. That is the maker's estimate for a light-traffic door; a busy doorstep will fill it faster.

H.265 compression, which the doorbell supports alongside H.264, is described by EZVIZ as reducing file sizes by up to 50%¹. That is the setting to prefer if you want the 32GB to go further. Cloud storage is available through EZVIZ CloudPlay, which requires a subscription, and EZVIZ describes CloudPlay as fully encrypted, unlimited cloud storage [1, 5]. It is an option, not a condition of using the doorbell.

The doorbell's own alerts are split by type: AI-powered human shape detection and package detection are listed separately, so a person walking up and a parcel being put down are reported as different events¹. Two-way talk through a built-in microphone and high-power speaker lets you answer a caller or tell a courier where to leave something¹.

Pre-roll, night vision and what the cameras actually catch

Pre-roll is the feature that shows you the seconds before an event, rather than starting the clip at the moment the bell is pressed. EZVIZ lists 7 × 24 pre-rolling, but with two conditions stated in the same breath: it is supported exclusively by the upper lens, and it is disabled during nighttime operation when colour night vision is active¹. So in daylight the upper camera gives you the run-up to a caller arriving; after dark, with colour night vision on, you get the event itself.

Colour night vision, when enabled, renders colour within 1 metre, according to EZVIZ Lab's test results under standard conditions¹. Beyond that the infrared illumination takes over, with the ICR infrared filter listed as reaching a maximum of 6 metres¹. In practice that means a face at the door is lit, and someone standing at the far edge of a long path may be in black and white or at the limit of the range.

The PIR sensor covers a 100° angle and up to 6 metres, adjustable down through the five levels described above¹. Positioning matters more than any setting: mount the doorbell where the approach is in view but where passing traffic and pedestrians on the pavement are not, or you will spend the evening dismissing alerts. EZVIZ states the unit is built to withstand blazing sun, driving rain and heavy snow, and rates it IP65 for -20°C to 50°C¹. That covers a British winter and a hot south-facing door, but it is a rating for the unit, not a promise about the Wi-Fi reaching it.

Privacy, security and the settings worth changing

The EP8 Ultra has a set of privacy controls built in. A voice changer for privacy protection lets you speak to a caller without using your own voice, and you can draw up to 4 privacy zones as rectangles over parts of the image you do not want recorded, such as a neighbour's window or the inside of your hall¹. Both are worth setting up on the first day, before the doorbell has recorded anything you would rather it had not.

Data is encrypted in transit and at rest according to EZVIZ, which lists AES data encryption, TLS and end-to-end data encryption¹. The connection runs over EZVIZ's own cloud protocol, so the doorbell talks to EZVIZ's service even when it is recording locally¹. EZVIZ states that it has been awarded certification by DNV for information security (ISO/IEC 27001:2013), personal data protection (ISO/IEC 27701:2019) and cloud security (CSA STAR), among others².

The practical steps are the ones that apply to any connected camera: use a strong, unique password on the EZVIZ account, turn on two-factor authentication if the app offers it, keep the app and firmware up to date, and remove anyone who no longer needs access. Camera and Doorbell Accounts: Stopping Strangers Getting In and How to Stop Your Security Camera Being Hacked go through this properly. If your doorbell looks out over a neighbour's property or the public pavement, Filming Beyond Your Boundary: CCTV, Doorbells and Data Protection explains where the lines fall.

Fitting it, and the weather and Wi-Fi limits

The box contains the doorbell, a mounting bracket, an inclined mounting bracket, a drill template, a chime, two batteries, a Type-C cable, a pin, a screw kit, two U-shaped wires, two wire connectors, four regulatory information sheets, a quick start guide and a video and audio monitoring sticker¹. The inclined bracket is there for doors where you need to angle the view, and the sticker is for telling visitors they are being recorded.

Two limits decide whether it will work well at your door. The first is Wi-Fi: the EP8 Ultra connects on 2.4GHz only, across 2.4GHz to 2.4835GHz, using 802.11b, 802.11g and 802.11n with 20MHz channel bandwidth and WPA/WPA2 security¹. It does not list 5GHz. A 2.4GHz signal carries further through walls than 5GHz, which suits a doorbell on an outside wall, but it is also the busier band. If the signal at the door is weak, the doorbell will drop off rather than record. Alarms and Cameras on a Weak Mobile Signal or Slow Broadband covers what to do about that.

The second is the weather rating. IP65 means protection against dust and against water jets, and the operating range of -20°C to 50°C at 95% humidity or less, non-condensing, is the maker's stated envelope¹. Fit it under a porch or eaves where you can, keep it out of standing water and direct hose spray, and check the seal around the battery compartment each time you swap a battery.

Chimes, assistants and the smart home

The EP8 Ultra rings through the chime supplied in the box, and it also works with existing mechanical or electric chimes wired at 8-24V AC¹. If your home already has a wired bell push and chime, that is the arrangement to check first, because it lets the doorbell ring the bell you already have rather than adding a second one to the hall.

It integrates with Amazon Alexa and Google Assistant, with a stated difference between the two. EZVIZ says Google Assistant users can enable live streaming on supported devices but cannot receive incoming video calls or use the chime function¹. Alexa users can also have the doorbell chime through an Echo device¹. If your household runs on Google speakers, the live view is what you get; if it runs on Alexa, you get the chime as well.

Other doorbell makers take different approaches to the same question, which is worth knowing if you are comparing: Reolink lists compatible doorbells working with Amazon Alexa and Google Assistant for live footage on supported devices³, and Arlo lists Amazon Alexa, Google Assistant and Apple HomeKit on supported devices⁴. The EP8 Ultra does not list Apple HomeKit.

Updates, support and the model number

Software support is the part of a connected doorbell that decides how long it stays safe to use, and here the published figures disagree. Which? reported in August 2026 that EZVIZ will support its products for at least four years from launch⁵. A later Which? guide to smart video doorbells, dated October 2026, states that EZVIZ will support its products for two years from launch⁶. The two documents conflict and neither supersedes the other in what has been published, so the honest position is that EZVIZ has committed to at least two years and, on the earlier report, at least four. Check the current statement from EZVIZ before you rely on a date.

For comparison, the same August 2026 Which? reporting gives Eufy at least three years from launch and Reolink at least three years after the product's end-of-life date⁵. How Long Do Cameras and Doorbells Get Software Updates? explains why this matters and how to check a model before buying.

The model number is CS-EP8 Ultra¹. Quote it when you register the doorbell, ask EZVIZ about updates, or check that a listing matches the product. The doorbell carries CE, REACH, WEEE and RoHS certification¹.

Safety: batteries, wiring and where the doorbell goes

The EP8 Ultra's batteries are lithium, and lithium cells deserve respect. Charge them indoors on a hard, non-flammable surface, away from anything that burns, and unplug the charger when the battery is full. Do not charge a battery that is swollen, dented or wet, and do not open one. If a battery is damaged, stop using it and dispose of it at a household waste recycling centre rather than in the bin.

The wider point about lithium batteries is that recalls happen. In June 2026 the Office for Product Safety and Standards published a recall of Elite Mag Power power banks with the model numbers P2GQ58, P2GQ58BK and P2GQ58WT⁷. That recall concerns a different product and does not apply to the EP8 Ultra, but it is a reminder to register what you buy and to check the government's product safety alerts and recalls page for your own devices. If a battery for any device is recalled, stop using it and follow the recall notice.

On siting: fit the doorbell at a height where a caller's face is in frame and where it cannot be reached easily from the path, and run the cable so it is not a trip hazard or a loop someone can pull. The tamper alarm, a sound and light anti-dismantling alarm that supports sending alerts to your smartphone, is a deterrent rather than a guarantee¹. For the wider question of what deters a burglar and what does not, How Burglars Choose a Home and What Puts Them Off is the place to start.

Where it fits in a household security plan

A video doorbell is one layer. It lets you see and speak to a caller without opening the door, which is useful against bogus callers and cold callers, and it records a delivery or an incident you may need to describe later. It does not stop someone forcing a door, and it does not summon help. Bogus Callers: Spotting and Turning Away Doorstep Crime and How to Check a Doorstep Caller Is Genuine cover the conversation at the door; Doors and Locks: Standards, Cylinders and Making Entry Harder covers the door itself.

If you want the doorbell to be part of something that raises an alarm, Burglar Alarms: Types and How to Choose One and Monitored or Self-Monitored Alarm? explain the options. If you are renting, or the door is in a shared entrance, Flats and Shared Entrances: Door Entry and Communal Doors covers what you can and cannot change.

For the full picture of how cameras, doorbells, locks and alarms fit together, start at Home Security: A Household Guide.