Tuya WiFi Smart Switch with Power Monitor Wall Socket Switch Light Controller Timing Voice for Alexa Alice Google Smart Life APP Parameter: Input Voltage:100-240V 50/60HzMax. Load Current:16AWiFi Standard:2.4GHz 802.11 b/g/nApp Name:Tuya Smart/Smart LifeSize:42*42*20mm Three ways to pair signal 1.Long pre the manual botton for 5s2.Open and close rocker switch six times (if connect),3.turm on and off the power six times, until the Buzzer make"DI-DI-DI" sound,or the led light flashing. Features 1.Wifi+Bluetooth Dual Mode--Connect To The Network More Quickly. The Connection Network Speed Is 2 Times Faster Than That Of Only Wifi2.MINI BODY--Our size is smaller and more convenient,Easy to install--We can put it directly in the switch bottom box. So you dont have to climb stairs to install the controller3.Two connecting methods-- The controller is only connected to line N and L, not connected to the switch--This smart DIY switch could be used for your old 2 way control switch. Especially, you still available to control the old switch manually after isntalled it.4.Two connecting methods--voice control,It is fully compatible with Alexa and Google Home/Tmall Genie.5.Timing Function--Set the time to turn on the light.--Set time to cook rice...6.group control--individual Control or group control--Family Sharing Control Fun--main account has the exclusive permiions,one click to share the permiions with the whole family.let the family enjoy the fun of smart life!7.Fire retardant material--Safer use8.3 Kinds Of Restart State--Turn off the lights, turn on the lights, and operate before the memory--No need to worry about the status of the lights when going out9.Make Devices Smarter--16A current, suitable for most equipment at home