Works with Wifi and Bluetooth
Battery type: 3 x AAA
> Unlock by password,APP,Temporary Codes
> TUYA app management
> IP65 waterpoof for outdoor use
> Low temperature designed replacement battery case.
> Low battery alert
> Support Google Play and APP Store
> Power saving design, even if it is unlocked 10 times a day, it can last for 12 months.
> Support scramble PIN Code
Working temperature: -10 to 55 Celsius
Working humidity: 40%RH - 80%RH