Description
Type: Wireless Doorbell
Material: plastic
Image sensor: cmos minimum 0.01 (lux)
Lens: 3.6 (mm)
Snr: > 48 (db)
Working temperature: 0-50 ( )
Backlight compensation: auto
Environment of use: indoor
Effective distance: 5
Computer surveillance: support
Infrared light irradiation distance: 5m