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Pablo Oliveros,United Statesperfect product! great quality! perfect quantity received. -
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Didimo Castillo,United StatesExcelente product -
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Val Atanassov,United StatesExcellent transaction . My Dear friends from Keygma Co. ,are the best business partners ever work with .Trustworthy in aspects of business . Thank You for doing business wit me . -
Alejandro castillomuy efectivos y buen servicio gracias -
Benja Somyoo,United StatesThe product arrived quicker than expected that was nice. The quality looks good and I will be testing the product soon. I am very satisfied. -
FRANKLIN SORIANO,Dominican RepExcelente comunicación. esta fue mi primer compra por alibaba y gracias a las buenas atenciones la experiencia fue grata.
DC 12V LED Dimmer Switch PWM Stepless Flicker-Free Smooth Dimming Memory for LED Strip Light 40W
| Place of Origin | Guangdong, China |
|---|---|
| Brand Name | Keygma |
| Model Number | KD-DC12V40W |
| Minimum Order Quantity | 50 Pieces |
| Price | USD 15-18/ Piece |
| Packaging Details | Individual color box with foam insert, export-grade corrugated master carton |
| Delivery Time | 3-5 working days for stock, 15-20 days for production |
| Payment Terms | T/T,L/C,PayPal,Western Union |
| Supply Ability | 50000 Pieces per Month |
Product Details
| Type | DC Dimmer Switch With Driver Built In | Input Voltage | DC 12V |
|---|---|---|---|
| Maximum Load | 40W | Dimming Technology | PWM (Pulse Width Modulation) |
| Dimming Range | 0-100% Stepless | Flicker-Free | Yes |
| Memory Function | Yes (Recalls Last Brightness) | Soft Start | Yes |
| Control Type | Capacitive Touch | Protection | Over-load Protection |
| Compatible Loads | LED Strip Lights, LED Modules, LED Bulbs (12V DC) | Operating Temperature | -10°C To 40°C |
| Color Options | White, Black Or Customize | Warranty | 1 Year |
| Highlight | 12V touch LED dimmer switch,glass panel PWM dimmer switch,flicker-free LED strip dimmer |
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Product Description
DC12V LED Dimmer Switch PWM Stepless Flicker-Free Smooth Dimming Memory for LED Strip Light 40W
The Keygma KD-DC12V40W Touch LED Dimmer Switch combines a premium tempered glass panel with advanced PWM (Pulse Width Modulation) technology for stepless, flicker-free smooth dimming of 12V DC LED lighting. Simply touch and hold the glass surface to adjust brightness from 0% to 100% with zero flicker and absolute silence. The memory function remembers your last brightness setting, while the soft-start feature gently ramps up power to extend LED lifespan.
Key Features
- Flicker-Free 1000Hz PWM Dimming: Ultra-high 1000Hz PWM frequency ensures absolutely stable, flicker-free light output at any brightness level—perfect for video recording, photography, and reading environments
- Stepless Smooth Adjustment: Touch and hold for continuous 0-100% dimming with precise, fluid brightness transitions and no visible stepping
- Memory Function: Automatically restores the last brightness level when powered on, eliminating daily readjustment and providing consistent lighting every time
- Tempered Glass Panel: Scratch-resistant, fingerprint-proof surface with premium modern aesthetics available in white and black glass finishes
- Soft-Start Protection: Gradually ramps up brightness upon activation to eliminate inrush current stress on LEDs, significantly extending lamp service life
- Blue LED Indicator: Subtle backlit ring clearly shows the switch position in darkness without being intrusive during sleep
- Over-Current & Reverse Polarity Protection: Dual protection circuits safeguard both the controller and connected LEDs from wiring mistakes and overload conditions
- Ultra-Slim 8mm Panel: Minimalist flush-mount design complements modern interiors for residential, commercial, and vehicle installations
- Universal DC 12V Compatibility: Plug-and-play with standard DC 5.5x2.1mm connectors—works instantly with all 12V LED strip lights, modules, and bulbs
Technical Specifications
| Parameter | Specification |
| Brand | Keygma |
| Model | KD-DC12V40W |
| Input Voltage | DC 12V |
| Maximum Load | 40W |
| Dimming Technology | PWM (Pulse Width Modulation) |
| PWM Frequency | 1000Hz |
| Dimming Range | 0-100% Stepless |
| Flicker-Free | Yes |
| Memory Function | Yes (Recalls Last Brightness) |
| Soft Start | Yes |
| Protection | Over-Current, over load protection |
| Operating Temperature | -10°C to 40°C |
| Color Options | White Glass, Black Glass |
| Certification | CE, RoHS, FCC |
| Warranty | 2 Years |
Applications
Engineered for premium DC 12V LED lighting scenarios: LED strip light dimming in residential interiors, RV and campervan ambient lighting control, marine yacht cabin illumination, solar-powered off-grid home lighting, under-cabinet kitchen task lighting, retail display and showcase accent lighting, and photography/videography LED panel brightness control. The 1000Hz flicker-free PWM output is critical for film and video production environments where any perceptible flicker would render footage unusable.
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