Tuya Smart WiFi Switch For Lighting RF 433MHz Wireless Switch Smart Life APP Voice Control Work With Alice Alexa Google Home

Note:
The relay controller is wifi+rf,the wall switch is rf only.Wall switch itself cannot control lights on off.It needs to work with wifi+rf receiver together.
Wifi+ RF controller (Receiver)
Input power : AC 85-240V
RF Frequency : 433MHz
WIFI Frequency : 2.4GHz
WiFi Standard : IEEE 802.11 b/g/n
Size : 41*41*20 (mm)
Max Current : 20A
Shell : Yes
Port : L/N
Certification : CCC,CE,RoHS
Feature : Has WiFi Function
Feature2 : Can Work with Tuya,Smart Home
Feature3 : Time Function
Feature4 : Voice Control by Google Home,Amazon Alex
Wireless Wall Switch
working frequency:433MHZ
Power consumption in standby mode:<1uA
Transmitter power: <10mW
Working way: wireless control
Coding way: EV1527 learning code
Modulation: ASK
Working temperature:-10"C~+70*C
Size: 86*86* 15mm
How to get the signal?
Step 1: Press the learning button(on the Receiver) twice. Wait for 3 seconds;
Step 2: Press one button on the remote control. Wait for 3 seconds. Succeed.
How to clear the signal?
Only one step :Press the learning button(on the Receiver) 8 times. Wait for 3 seconds;