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Product Information
The L-Tech VK RF Receiving Controller is the essential component for building a responsive and reliable wireless LED lighting system. Unlike a transmitter panel, the VK acts as the 'brain,' receiving RF signals to precisely manage your single-color LED strips. It's designed to work flawlessly within the L-Tech ecosystem, pairing with remote controls and wall panels like the 
to deliver smooth, flicker-free dimming. Its compact design allows for easy concealment, making it the ideal choice for creating sophisticated lighting scenes in residential, commercial, and architectural projects where dependable wireless control is paramount.
Key Features
Seamless RF Connectivity
Utilizes a stable 2.4GHz RF signal for reliable wireless control without requiring a direct line of sight to the receiver.
Precision Stepless Dimming
Achieve smooth, continuous brightness adjustments from 0.1% to 100% for the perfect lighting ambiance.
Broad System Compatibility
Engineered to pair perfectly with L-Tech's F series remotes and EX series wall-mounted touch panels.
Simple One-Key Pairing
Features a user-friendly 'Learning Key' for quick and easy synchronization with your chosen transmitter.
Compact & Easy to Install
Its small footprint allows it to be easily hidden within joinery, electrical boxes, or aluminum profiles.
Technical Highlights
- Engineered for single-channel (single color) constant voltage LED lighting systems.
- Adopts advanced PWM (Pulse Width Modulation) digital dimming technology to eliminate flicker.
- Features a power-off memory function that restores the last brightness setting when power is returned.
- Allows multiple receivers to be synchronized to a single remote zone for unified control of large areas.
Product Specifications
| Parameter | Details |
|---|---|
| Model | VK |
| Product Type | RF Receiving Controller |
| Input Voltage | DC 5V - 24V |
| Output Channels | 1 Channel (Single Color) |
| Output Type | Constant Voltage (CV) |
| Dimming Method | PWM |
| Control Protocol | RF 2.4GHz |
| Control Distance | Approx. 30m (100ft) in open space |
| Working Temperature | -30℃ ~ 55℃ |
| Protection | Short Circuit / Over-Current |
Application Scenarios
How to Control & Use This Controller
- 1. Wiring: Ensure the power is off. Connect your DC power supply (5-24V) to the 'INPUT' V+ and V- terminals. Connect your single-color LED strip to the 'OUTPUT' V+ and V- terminals, observing correct polarity.
- 2. Pairing: Power on the VK receiver. Briefly press the 'Learning Key' on the receiver. Then, immediately press the desired zone or control key on your L-Tech RF remote or EX touch panel.
- 3. Confirmation: The connected LED strip will flash once to confirm that the pairing was successful.
- 4. Control: You can now use the paired remote or panel to turn the lights on/off and adjust the brightness wirelessly.
- Always use a power supply with a voltage that matches your LED strip (e.g., a 12V power supply for a 12V strip).
- Do not exceed the maximum power or current rating of the controller. Calculate the total load of your LED strip before connecting.
- Ensure proper ventilation around the controller to dissipate heat and maintain performance.
- The effective control distance may be reduced by walls, metal obstructions, or other sources of RF interference.
What's in the Box
- ✓1 x L-Tech VK RF Receiving Controller
- ✓1 x User Manual
Frequently Asked Questions
Q: What is the function of the VK controller?
A:The VK is an RF receiving controller. It receives a wireless signal from a compatible L-Tech remote or wall panel (like the EX series) to control the brightness of single-color LED strips.
Q: Can I use this controller by itself?
A:No, the VK receiver requires a compatible L-Tech RF transmitter (remote control or touch panel) to function. It cannot be controlled directly via WiFi or a mobile app on its own.
Q: How do I pair the VK with my remote control?
A:Simply press the 'Learning Key' on the VK controller, then immediately press the desired key or zone on your remote. The connected lights will flash to confirm a successful link.
Q: Can I control multiple separate LED strips with one remote?
A:Yes. You can pair multiple VK receivers to the same zone on a remote to control them together, or pair different receivers to different zones for individual control.
Q: What type of LED strip is this controller for?
A:This is a single-channel controller designed for constant voltage, single-color (monochromatic) LED strips, such as those in warm white, cool white, red, green, or blue.
Q: Will this work with RGB, RGBW, or Tunable White (CCT) LED strips?
A:No, the VK is a single-channel model for dimming only. For multi-color or CCT strips, you need a corresponding multi-channel L-Tech receiver.
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Files for VKImages
These images were taken with Canon EOS 5D Mark IV and the studio light source is provided by Ra 98's full spectrum LED strip to realistically reproduce the colors of the item itself. All copyrights are created by the superlightingled team, please feel free to browse and download if you are a registered user!
LED Strip Lights Guide
Here you can learn anything about LED strip lights — pick the topic you are interested in to go deeper. We cover LED strip lights, power supplies, controllers, accessories, and how to connect LED strip lights. You can also watch our demo videos.
Led strip lights
►Everything you need to know before you buying led strip lights
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►COB led strip light
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►Addressable led strip
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►Color, color temperature, and CRI
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Controller for led strip lights
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Led power supply
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Led strip light installlation
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Accessories
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