Features:
Power off memory.(There is no need to reset the time and ring tone when replacing the battery. Restoring the power supply within 24 hours automatically restore the correct time.) No wiring required, battery powered, visual intercom, simple installation; It can also be powered by electricity. You can talk to visitors smoothly at any time and any place.

Specification:
Socket Type: US Plug 110-240V
LCD Resolution: 480 * 272
Power: built-in 8000mAh lithium-ion battery, standby time is about 180 days
Battery Alarm: Support
Camera: HD 1 million pixels
Video Format: AVI
Image Format: JPG
Screen: 4.3 inch TFT color LCD screen
Memory Card: Max support 32G
Door Thickness: 35mm-95mm
Door Hole Diameter: 15mm-60mm
Viewing Angle: 160 degrees
Indoor Machine Size: 142 * 102 * 20mm/5.6 * 4.0 * 0.8in
Outdoor Unit Size: 65 * 65 * 18mm/2.6 * 2.6 * 0.7in
Package Weight: Approx. 726g/25.6oz

Package list:
1 * 4.3 inch LCD Monitor
1 * Doorbell
1 * Charger
1 * Screws Package
1 * User Manual

Product Features

• 4.3 inch LCD monitor with Chinese/English menu and clock display. In-door ringtone remind.
• PIR motion detection start time can be adjustable.(0s, 1s, 3s, 5s optional)
• With IR night vision function,the night vision can be clearly seen.
• PIR anti-theft function, providing active wake-up function.
• Automatic photo/audio video recording. (Not only video recording, but also audio recording)