Viewing range: 120°
Display size: 4.3" IPS
Night vision mode: infrared night vision
Bell recording: supported, card required
Active wake-up: support
TF card capacity (not included): 8–32GB
Transmission protocol ：2.4G private wireless
Doorbell size ：10.1×5.6×3.6cm
Display size: 13.2×7.6×1.7cm
Transmission distance： 3-30m