The WiFi version does not require gateway (connect to the router)
ZigBee version needs to connect to Hub (gateway)
Specification
APP: Smart Life / Tuya Smart
The factory does not include battery
Working Voltage: 3V(2*AAA battery)
Working Current: 19~59mA
Standby Current: <35uA
Standby Time :10-12 Months
Humidity :95%RH
Trigger Distance: 2~3cm
Working Temperature: -10℃^55℃
Netwrok type :2.4G wifi(Does not support 5G Wifi)
