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EP4
Wire-Free Peephole Door Viewer
Two Color Options
EP4
Wire-Free Peephole Door Viewer


Two Color Options
Introducing the EP4—smarter security, redefined. With facial recognition, it knows exactly who’s at your door, sending you precise alerts in real time. Two-way audio lets you chat with visitors, no matter where you are. Plus, live video and motion detection keep you instantly connected and in control. It’s personalized protection that’s as smart as it is secure.
4K Resolution

5.5-Inch (Color) Touch Screen

AI-Powered Recognition for Familiar Faces

AI-Powered Human Shape Detection & PIR Detection

F1.6 Large Aperture

7,100 mAh Rechargeable Lithium Battery

Live View & Two-Way Talk

WDR & Distortion Correction

Supports Local Storage¹ (Up to 512 GB)

Suitable for Peephole from Diameter 14-50 mm
The EP4 delivers vibrant, lifelike visuals that bring every detail to your doorstep—whether you're at home or on the go. With stunning 4K resolution and an ultra-wide 155° field of view, you'll see more of what's happening outside, so you’re always able to make informed decisions.
4K Resolution
F1.6 Large Aperture
IP54 Weatherproof Design
Now

Past
155°
Field of View
The EP4 delivers vibrant, lifelike visuals that bring every detail to your doorstep—whether you're at home or on the go. With stunning 4K resolution and an ultra-wide 155° field of view, you'll see more of what's happening outside, so you’re always able to make informed decisions.

4K Resolution

F1.6 Large Aperture

IP54 Weatherproof Design

Now

Past

With its vivid 5.5-inch color display, you’ll never be caught off guard. Every image is brought to life in stunning detail, offering you a crisp, vibrant view of what's happening outside your door—whether it's visitors, deliveries, or anyone coming calling. The clear and sharp display ensures you see it all, exactly as it is.
5.5-Inch
Color Screen
Render eye-catching images with automatic processing
With advanced WDR and LDC technology, the EP4 captures pictures with precision and accuracy, free from overexposure or distortion.

Balance Uneven Brightness
Correct Edge Distortion
No more guessing games or vague alerts like “motion detected”—now you’ll get real-time, personalized notifications that tell you exactly who‘s at your doorstep. Now you’re reminded when a family member arrives.
AI-Powered Human Shape Detection
PIR Motion Detection
Instantly recognize visitors or potential threats, with alerts that are smarter and more accurate than ever before. Customize your detection sensitivity to fit your space, ensuring you only receive the most relevant notifications, whether you're at home or on the go.
Never miss a moment with seamless two-way talk, right at your fingertips. When someone rings the doorbell, you’ll get an instant notification and a live video preview of who's at your door.
Never miss a moment with seamless two-way talk, right at your fingertips. When someone rings the doorbell, you’ll get an instant notification and a live video preview of who's at your door.
Made for long-lasting security
To guard the door and make you feel secure around the clock, the EP4 uses a built-in battery with a relatively long standby time, so you don’t no need to recharge it frequently.
Compatible Door Thickness:
35 - 105mm
Compatible Peephole Diameter:
14 - 50mm
Built to fit easily and tightly
The EP4 is easy to install without complicated wiring or tools, as long as there’s a compatible hole on your door. You can have the door viewer up and running in no time, all by yourself.
You can secure your recorded videos on a local microSD card of up to 512 GB, or subscribe to EZVIZ CloudPlay for fully-encrypted cloud storage.¹
Supports Local Storage
Supports EZVIZ CloudPlay Storage
We’re committed to protecting with trust
We put security as the primary goal of every product and system that we build. We have also developed various privacy features and flexible settings that you can use at any time to feel even safer.
End-to-end Data Encryption
AES
Data Encryption
TLS
Data Transmission Encryption
Our global certifications in the fields of information security, privacy information security, and cloud security
Privacy Zone²
We’re committed to protecting with trust
We put security as the primary goal of every product and system that we build. We have also developed various privacy features and flexible settings that you can use at any time to feel even safer.
Our global certifications in the fields of information security, privacy information security, and cloud security
Privacy Zone²
End-to-end Data Encryption
AES
Data Encryption
TLS
Data Transmission Encryption

| Specifications | |
|---|---|
| Model | CS-EP4 |
| Installation Parameters | |
| Supportive Hole Diameter | 14 to 50 mm (0.55 to 1.97 inch) |
| Supportive Door Diameter | 35 to 105 mm (1.38 to 4.13 inch) |
| Camera Parameters | |
| Sensor | 1/2.8" Progressive Scan CMOS |
| Lens | 2.0 mm @ F1.6, visual angle (diagonal):160° |
| Day / Night Switch | ICR Infrared Filter |
| IR Distance | Max. 5 m |
| Max. Resolution | 4K (3840 × 2160) |
| Video Frame Rate | 15 fps |
| PIR Detection | |
| Angle | 110° |
| Distance | Max. 6 m (20 ft) |
| Sensitivity | Adjustable |
| Interface | |
| Storage Interface | Supports local storage (max. 512 GB) |
| Audio Input | Built-in high sensitivity microphone |
| Audio Output | Built-in high-power speaker |
| Buttons | Doorbell button, power button, screen wake up button |
| Network | |
| Intelligence Alarm | AI-powered human motion detection & PIR motion |
| Protocol | EZVIZ Cloud Proprietary Protocol |
| Video Intercom | Local and remote video intercom |
| General Function | Cloud video encryption and image encryption |
| Wireless | |
| Wi-Fi Standard | IEEE802.11b, 802.11g, 802.11n |
| Frequency Range | 2.4 GHz ~ 2.4835 GHz |
| Channel Bandwidth | Supports 20 MHz |
| Security | 64/128-bit WEP, WPA/WPA2, WPA-PSK/WPA2-PSK, WPS |
| Transmission Rate | 11b: 11Mbps, 11g: 54Mbps, 11n: 150Mbps |
| General | |
| Screen | 5.5-inch color touch screen |
| Color | Golden / sliver |
| Operating Conditions | -10°C to 45°C (14°F to 113 °F ), Humidity 95% or less (non-condensing) |
| Power Supply | DC5V±10% |
| Power Consumption | Max. 5 W |
| Dimension | Screen and base: 103 × 142.4 × 28.4 mm (4.06 × 5.61 × 1.12 inch); Peephole doorbell: 71.7 × 71.7 × 52.7 mm (2.82 × 2.82 × 2.07 inch) |
| Weight | 775.5 g (with package) |
| In the box | |
| In the box | - Panel |
| - Mounting Base | |
| - Camera | |
| - Buckle | |
| - Screws × 6 | |
| - Base Cover | |
| - Power Cable | |
| - Regulatory Information | |
| - Quick Start Guide | |
| Certifications | |
| Certifications | CE / REACH / WEEE / RoHS |
We have updated our Terms of Service, CloudPlay Paid Subscription Terms and Privacy Policy. Please read them carefully.
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