BOSCH EL400VF
1.App type:Tuya Active Intercom
2.Language：Chinese, English
3:Display:3.97inches
4.Camera:1 Megapixel；120° wide angle
5.Sensor:Semiconductor fingerprint sensor
6.Human body detection: radar method
7.Unlock method：face recognition, Fingerprint,Password,IC card,Mechanical key
8.Lock body：Fully Auto-lock Body (Motor Inside)
9.Material：Aluminum alloy
10.Available Colors：Black，Gray
11.Battery：4200mAh lithium battery
12.Maximum number of fingerprint + password + card + face:400（Total）
13.External lock dimensions: 396.5 (L) x 82.5 (W) x 63 (D) mm； Internal lock dimensions: 397.5 (L) x 83.5 (W) x 59.5 (D) mm