Product name：Wholesale Fingerprint Smart Knob Tuya Indoor Handle Smart Lock

Product model： D228 

Key category: Password and mechanical keys

Password Capacity: 3 administrators, and 47 general users

Fingerprints Capacity: 50 Users

Power Supply: 4 AAA alkaline batteries

Tips: Prompt of light and buzzer

Low Voltage Alarm:4.8V

Antistatic: Exposure+/8kV air +/ 15kV

Standby Current:  <70uA

Dynamic Power Consumption: <300mA

Operating Environment: -20°C ~ 50°

Operating humidity :0% ~ 95% 

Applicable Door Thickness: 1.38IN/35MM to 2.17IN/55MM