Features:
1:Perfect small size (Note: Package included Screw anddouble-sided tape.)
Four different installation scenarios: 
--Use double-sided tape to directly install and fix the receiver on the surface of the object;
--Use screws to fix the receiver on the surface of the object;
--Put the receiver install behind a power outlet;
--Install behind the suspended ceiling.

2:Multiple control modes to save electricity
--At any time, you can either use the front panel or remote control.
--Set the remote control at different locations to quickly turn on or off the lights.
--Turn the lights on in advance to avoid darkness,
--Turn off the lights after leaving, save energy.

--Multi switches Control One/Multi Lights Receiver in the meanwhile

3: Voice control
--Fully compatible with Amazon Alexa and Google Home.Whether you are reading or working at the moment, you can voice control the on and off of related equipment;
--When you are reading in the living room, you can voice control Alexa to turn off the lights in the room so that your child can quickly fall asleep.

4:Multiple intelligent control methods 
--Countdown function
Setting a countdown for Home appliances(such as humidifiers coffee machines, microwaves,Led,Light and so on),the device will automatically stopping , so that you can don't worry about the device working all the time.
--Timing Function
Set the time to turn on Home appliances(such as humidifiers coffee machines, Led, Light and so on),before you start working other jobs.
--Schedule Function
Set up a schedule for the on or off time of household electrical equipment in advance, so that you can forget it later. 

  Product Application Area  Products can be used in homes, farms, factories, offices, laboratories, supermarkets and so on
Remote control Electric curtain \ Water pump \ Fan \ Lamp \ LED light \ bulb \ ventilation device \ Signal transmission
Remote control humidifiers, microwaves, coffee machines
Remote control Taking Care for the elderly, children

Relay Receiver Board Parameter  

parameter : mini switch
Input power : AC 85-240V
RF Frequency : 433MHz
WIFI Frequency : 2.4GHz
WiFi Standard :  IEEE 802.11 b/g/n
Remote storage : 12pcs
Size : 1.85*1.65*0.91 in(47*42*23 mm)
Max Current : 10A
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

Wall panel Transmitter Parameter

--RF frequency : 433MHz
--Support encoding : 1527 Leaning code 
--Remote distance : up to 50m (theoretical distance)
--Battery  :  27A 12V(  NO Battery include ) 
--Screw:  Include
--double-sided tape:  Include

Remote controller  Transmitter Parameter

--RF frequency : 433MHz--Support encoding : 1527 Leaning code 
--Remote distance : up to 50m (theoretical distance)
--Battery  :  23A 12V(  NO Battery include ) 
--Screw:  Include

--double-sided tape:  Include

Wirelsess signal
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;

WIFI signals
How to get the WIFI signal
1: Search "Smart Life or Tuya Smart" on APP store, Google Play or scan the QR code on user manual to download and install it.
2: Press the button on switch until the indicator light flash. You can also hear a voice too.
3: Open "Smart Life or Tuya Smart App", discovery and add device in the app, and then finish configuration according to the guide. 

Alexa signals
How to get the Alexa signal
1. Modify device name so your Amazon Alexa can easily recognize the name. For Example: Living Room Lamp, Bedroom Light. 
2. Use Alexa App or Computer to set up your Amazon Alexa.
3. Select 'Skills' and search for 'Smart Life' on Menu. Enable Skill and type in your login info to link the account
4. Ask Alexa to discover devices. Then you can control your devices by voice.