SWITNEX AC 110V-240V Wireless Remote Control Light Switch (Model: B0FKS38W6K) User Manual
SWITNEX AC 110V-240V Wireless Remote Control Light Switch (Model: B0FKS38W6K) User Manual
| Technical Data | |
|---|---|
| Operation Mode | ON-OFF |
| Current Rating | 10 Amps |
| Operating Voltage | AC 90V-250V (110V, 120V, 220V, 240V compatible) |
| Max Load (Resistive) | 1500W |
| Contact Type | Normally Open |
| Connector Type | Crimp |
| Terminal | Screw |
| Receiver Dimensions (L x W x H) | 65 x 36 x 23 mm (2.56 x 1.42 x 0.91 inches) |
| Transmitter Dimensions (L x W x H) | 115 x 70 x 15 mm (4.53 x 2.76 x 0.59 inches) |
| Circuit Type | 1-way |
| Contact Material | Plastic |
| RF frequency | 433MHz |
| Control Distance (Open area) | Up to 30 meters (100 feet) |
| Control Distance (Through walls/doors) | 30-55 meters (100-180 feet) |
| Transmitter Battery | 1 x AAA 12V (included) |
Product Detail

- RF Relay Receiver – compact unit (65x36x23mm), input/output terminals (L and N)
- 2 x Remote Control Transmitters – keyfob style with ON/OFF buttons
- 1 x AAA 12V battery – pre-installed in transmitter
- Double-sided tape – for transmitter mounting
- Screws – for transmitter mounting
- Learning button on receiver – for programming modes and resetting
- Indicator light on receiver – provides visual feedback
Wiring Diagram

- Input: Connect AC 90V-250V power supply to input terminals (Live ‘L’ and Neutral ‘N’)
- Output: Connect device (e.g., lamp, fan) to output terminals
- Scenario A: Receiver in series with Live (L) wire
- Scenario B: Receiver in series with Neutral (N) wire
Warning
- Always disconnect power at the circuit breaker before installing or servicing the receiver.
- Installation should be performed by a qualified electrician or in accordance with local electrical codes.
- Do not exceed the maximum load capacity of 1500W (10A resistive load).
- Ensure the operating voltage (AC 90V-250V) is compatible with your electrical system.
- Keep the device away from water and high humidity environments.
- Do not attempt to disassemble or modify the device.
- Usually the receiver and transmitter have been paired in factory. If not, reprogram them.
- Reset before you want to change the operating mode.
- After reset, all remote controls cannot work anymore.
- Replace the battery in time when the remote transmitter voltage is low.
Operating Mode
The product is pre-set to Latched Mode by default. Follow the programming steps below to change modes.
Momentary Mode
Press and hold a button → device turns ON
Release the button → device turns OFF
How to program:
- Press the learning button on the receiver 4 times. The indicator light will flash.
- Press the desired button on the transmitter. The indicator light will flash to confirm.
Toggle Mode
Press a button once → device turns ON
Press the same button again → device turns OFF
How to program:
- Press the learning button on the receiver 2 times. The indicator light will flash.
- Press the desired button on the transmitter. The indicator light will flash to confirm.
Latched Mode
Press ON button → device turns ON
Press OFF button → device turns OFF
How to program:
- Press the learning button on the receiver 3 times. The indicator light will flash.
- Press the ON button on the transmitter. The indicator light will flash.
- Press the OFF button on the transmitter. The indicator light will flash to confirm.
Reset
To clear all paired transmitters from the receiver’s memory, press the learning button 8 times. The indicator light will flash rapidly and then turn off, indicating all stored data has been cleared. After reset, re-pair transmitters as needed.
Transmitter Installation
- Fixed mode: Mount to wall or flat surface using double-sided tape (non-permanent) or screws (secure). Open casing to access mounting holes and battery compartment.
- Portable mode: Use as a handheld remote control from anywhere within range.

Troubleshooting
If the receiver and transmitter cannot operate normally, try the following steps:
- Device not responding: Check receiver wiring and power. Ensure transmitter battery is functional (replace if needed). Re-pair transmitter and receiver. Verify connected device works when directly powered.
- Reduced control range: Remove metallic obstructions. Do not place receiver inside metal enclosures. Avoid strong RF interference from other devices.
- Transmitter not working: Replace AAA 12V battery. Ensure correct polarity.
Maintenance
- Cleaning: Wipe devices with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
- Battery replacement: The transmitter uses a 12V AAA battery. Open casing carefully, replace battery with correct polarity.
- Storage: Store in a cool, dry place away from direct sunlight and extreme temperatures.
Contact
- WhatsApp: +86 15812381273
- Email: linktrol@icloud.com
If there is any question about the products, please contact us first. We will do our best to solve your problem. Thank you.
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