Smart Wall Switch
User Manual
Features
- Can be controlled by iOS phone/Android phone
- Support “Smart Life” and “Tuya Smart” APP
- Voice control: Compatible with Alexa; Google home; Яндекс Станция (Yandex Station).
- Timing function: Auto on/off with timing function
- Overload protection for easy replacement of your traditional mechanical switches(needs neutral)
- Smart scene
- Device group
Security Information
Risk of electric shock: Electricity can cause personal injury and property damage if not handled properly. If you are unsure of any part of these instructions, seek professional help from a qualified electrician.
Product information
WiFi Standard: IEEE 802.11 b/g/n 2.4GHz
Operating Voltage: AC 100-250V 50/60Hz
Maximum Load Power: 1000W/gang
(Note: When used with LED or energy-saving bulbs, power load should be less than 300W/gang)
Maximum Load Current: 10A
Power Consumption: <0.5W
Operating Temperature: 0°C ~ 40°C
RF Frequency: 433.92MHz
Dimensions:72x118x34mm
Install
How to open the switch glass panel
Use a flat screwdriver to pry out the slots on the top and bottom(as well as left and right) of the switch bottom shell to open it
Notice:
- Make sure the power on the circuit breaker is turned off before wiring.
- Two wiring methods:
Wiring method 1:neutral wire needs to be connected Wiring method;
2: No need to connect the neutral wire (capacitor required)
- The wire colors indicated in this manual are the usual colors and may vary in some houses.
- Make sure the wire conductors are securely attached to each wire.
- Make sure the Wi-Fi signal is stable and workingprop-erly before wiring.
- If you do not have any wiring experience, please cala professional electrician.
First step: - Turn off the circuit breaker and test the power with an electrical tester.
- Make sure the switch is off before wiring.
Second step - Remove existing wall panels, turn on power at break eland use electrical tester to check which wire is the line; the tester will flash or beep when near the line
- Turn off the power at the circuit breaker, if there is a power outage, use an electrical tester, pull the existing witch out; mark the wiring and other wires, disconnect the power with pliers and remove the wires from the existing switch.
- Connect the switch wires to the wall box with the wire conductors according to the wiring diagraming the wire.
Wiring Diagram
- Live & Neutral Wire Version

- Single Live Wire Version

Add device:
4.1Add device to “Smart Life” or “Tuya Smart” APP
Step 1: Download and install the “Smart Life” or “Teacart” APP: Scan the QR code below
https://smartapp.tuya.com/tuyasmart
http://e.tuya.com/smartlife
Step 2:Enter the phone settings option, turn on the Bluetooth and WIFI functions, and turn on the product at the same time
Step 3: Open the Smart Life APP, register and log in your account, if you have a Smart Life account, just log in.
Step 4: Power on after the wiring is completed, the device is powered on by default, press and hold the touch wall switch button for about 8s, until the WIFI blue LED flashes quickly, enter the network configuration mode
Step 5: Enter the App, click the *+* at the top right of the page to enter the network connection page.
Step 6: Make sure your device’s light is blinking quickly(2 times per second) tap to proceed to the next step.
Step 7: Enter your WIFI and password.
Step 8: Name your device.
Step 9: When the WiFi LED is on, the device is online Take control now!
3How to use smart speakers to control devices, such as Amazon Alexa, Google Assistant ?
Open the Smart Life app to enter the “Me” view and find the user quire forthe corresponding smart speaker
Note: Before using the smart speaker, please log in to your account on Alexa 1Google home:flHnekc Craniums (Yandex Station)

Introduction of RF remote control operation
Packaged products are paired at the factory and do this wirelessly. f you need to add or replace the remote-control switch, please refer to the following steps
Pairing method
Press and hold the touch wall switch button for abouts seconds. The red LED indicator lights up to enter theRF433 pairing mode.AL this time, press the RF433remote control switch a few times and the indicator light flashes off. The switch is controlled and paired successfully
Code clearing method
Long press the touch wall switch button for 5 seconds until the red LED indicator flashes 3 times, the code is cleared successfully.

adding method:
Add the Zigbee gateway before adding the device.
- Connect the device according to the wiring diagram.
- Press and hold the buttonfront/off switch, the indicator light will flash to enter the network-mode, and the indicator light will turn off after the network is successfully connected.
- Open Doodle intelligent APP click the “+” sign on the upper right corner of the home page click Add sub-device in Zigbee gateway, and select Zigbee pass-through device. Follow the prompts to finish adding Translated with DeepL.com (free version)
(*You can refer to the instructions according to the different versions purchased)
FCC Warnning:
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
Caution: Any changes or modifications to this device not explicitly approved by manufacturer could void your authority to operate this equipment.
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:
(1)This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator and your body.
Documents / Resources
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ZigBee WHX02 Smart Wall Switch [pdf] User Manual 2AR95-WHX02, WHX02 Smart Wall Switch, WHX02, Smart Wall Switch, Wall Switch |
