Compatible with:Default Material type:Material: Number of items:1 Power source:PowerSource Included components:Includes Batteries included?:No Package Dimensions:19 x 12 x 4 cm; 209 Grams Function: 1. 2.4 inch screen: ultra-bright 2.4 inch TFT LCD display, displays images clearly and smoothly. 2. HD Camera: 0.3MP HD camera for high-definition picture capturing, timely and clear recording and recording visitor information 3. 145 Wide Angle The 145 wide angle lens provides you with a large field of view, 24 hours safety monitoring and protects you and your family in all weather conditions. 4. Installation Position: The peephole is mounted on the door at the position of the peephole and replaces the optical peephole mirror. 5. CLEAR SCREEN DISPLAY The picture outside the door is clearly displayed on the host's screen inside the door, allowing the owner to clearly see the visitors in front of the door at home and take pictures manually. Use: 1. Please prepare 3 AAA batteries (not included) before use, insert them and connect the door viewer to the indoor unit. 2. Press the on\/off button, the screen of the door intercom will light up and the video of the door viewer will be displayed. 3. When someone presses the doorbell button on the door viewer, the video camera mode is automatically switched on and at the same time the door intercom rings. Specification: Item Type:Video Doorbell Material: ABS + zinc alloy. Use: household Colour: gold. Battery: 3 x AAA batteries (not included) USB power supply: DC5V. screen s 2.4 inch screen: 2.4 inch ultra-bright TFT LCD display, shows images clearly and smoothly. HD Camera: 0.3MP HD camera for high resolution image capture, timely and clear recording and recording visitor information 145 Wide Angle - The 145 wide angle lens offers you a wide field of view, 24-hour security monitoring and protects you and your family in any weather. Installation position: the peephole is installed in the position of the door viewer on the door and replaces the optical door viewer. Clear screen display: the image outside the door is clearly displayed on the host screen inside the door, so the owner can clearly see visitors in front of the door at home and take pictures manually. 2.4 inch screen: 2.4 inch ultra-bright TFT LCD display, shows images clearly and smoothly. HD Camera: 0.3MP HD camera for high resolution image capture, timely and clear recording and recording visitor information 145 Wide Angle - The 145 wide angle lens offers you a wide field of view, 24-hour security monitoring and protects you and your family in any weather. Installation position: the peephole is installed in the position of the door viewer on the door and replaces the optical door viewer. Clear screen display: the image outside the door is clearly displayed on the host screen inside the door, so the owner can clearly see visitors in front of the door at home and take pictures manually.