


When visitors press the door bell button on the door viewer camera, the door bell will ring inside of the room. At the same time, the screen inside the door will turn on automatically to show the outside images and will last for 20 seconds before turning itself off. Also as the doore bell is pressed, the camera will automatically take a photo of the visitors and the photo will be stored in the TF card in case the host is out, so as to check the visitors identity or to use the information for security purposes.
Features:
- Door thickness: 40-70mm
- Door barrel diameter: 14-26mm
- Camera: 0.3 mega pixels
- LCD Screen: 3.5" TFT
- Power: 4 AA batteries (included)
- Memory card: Micro SD card (TF), max 8GB
- Infrared wavelength: 940nM
- Size: 135(L)x86(W)x25(T)mm
- Weight: 310g
- Different languages are available
- Infrared night vision
- Photo format: JPG
- Video format: MP4
- Return for refund within: 30 days
- Return for replacement within: 30 day
- Restocking fee: up to 20% Please contact us to get RMA. All returned products must be in original condition and shipped out within 3 business days after getting RMA.