Z20 Smart Wireless Doorbell Remote Home Wifi Surveillance Video Intercom Color Visual Doorbell Product Specifications:Black to ensure safe riding at

to ensure safe riding at night

Operation method: button

1x USB charging cable

Capacity: medium

Installation distance: ≤2CM

Z20 Smart Wireless Doorbell Remote Home Wifi Surveillance Video Intercom Color Visual Doorbell Product Specifications:Black to ensure safe riding atProduct information: Power type: Battery Packing specification: Color box size 97*82*35mm Weight: 120G 1. Main control: XR872 2. Memory: 32Mb flash 3. Sensor: 30W GC0328 CMOS sensor 4. Lens: 100 wide Angle lens Sensor performance: Support automatic white balance, automatic gain control, automatic backlight compensation 5. SNR: 41dB 6. Minimum illumination: 0. 8Lux F1. 4 (color mode),0. 3Lux F1. 4 (black and white mode) 7. Night vision: 2 850nm28Mil