iHome2WG Smart peephole doorbell

Smart peephole viewer(indoor unit) Specifications:
LCD: 3.7” TFT, 320dpi x 480dpi
Power: 1500mAh rechargeable Li-ion battery
Expand Memory: 2GB TF card(included), support up to 32GB
Doorbell(outdoor unit) Specifications:
Camera: Infrared 0.3MP, 130° wide angle
Sensor: Infrared Motion sensor
Light sensor:
LED: Infrared LED
Doorbell: Doorbell button
General Specifications:
Operation Voltage: DC 3.6-4.2V
Operation Temperature: -10ºC to +55ºC
Store Temperature: -20ºC to +65ºC
Operating Humidity: 10% to 95%
Dimension: Indoor viewer: 150*87.6*14.5mm
Outdoor unit: 62.5*62.5*12.5mm
Weight: Indoor viewer: 150g
Outdoor unit: 133g