Notice for USA and CA market:
1.30A Wifi relay switch for power on / off : max load 3300W for 110V or 6600W for 220V, 70% use recommended for safe(For example , the switch will work perfect if your device is under 2310 watts)

2.This wifi timer switch can work with AC 85V - 250V: People use 110V mostly in USA,So you can connect hot line to the "L" port, and neutral line to the "N" port

3.Do not support device with 2 hot lines : make sure one hot line "In"/"out",one neutral line "In"/"out" only.(If your water heater has 2 hots with 115V for each,then can't use this switch)

4.Main Function: APP control("eWeLink") ; remote control;schedule ;timer ; share control

5.Support DIY smart home system: Lights,water pump, water heater , wall power timer , farm water supply...

6.The switch support 250V single hot line, but can't work with 2 hots device.For example,your water heater has 2 hot line with 115V for each,then can't use this switch

1.433.92MHz,AC85-250V,1 CH,30A output 2.Working mode:APP/Jog-lock(Momentary)/ Self-locking/ Interlock/Manual 3.PCBA Size:70mm*50mm*25mm 4.Cover Size:95MM *55MM *32MM 5.Can be paired with 5pcs remote control at the same time 6.Working temperature:-20 - 90 degree 7.Safety range:3000w max for motor,4800w max for home appliance

1.How to clean code: * Press the Paired Button on the board 8 times,red light flash,cleaning code successfully. 2.How to set the working mode: * Jog-lock(Momentary):Red led light on, then press the transmitter button,red light blink fast ,then off * Self-locking:Press "pairing button" twice,Red led light one,then press the transmitter button,Red led blink fast ,then off. * Interlock:Press "pairing button" 3 times,RED led light on ,then press A button of the transmitter,then B button,red led blink fast ,then off. 3.How to set the wifi mode Long press the Paired Button on the board,blue light flash,waiting for app.