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Wall-mounted LED lighting dimmer, PWM constant voltage controller, 12-48VDC 3x 4A, for single-color LED strips, 3 channels, with mechanical rotary knob, supports smooth dimming.  Features: The controller supports single-color lighting systems, designed to control up to 3 dimmable LED strips. Allows smooth dimming or brightening of lighting. Soft dimming, switching on and off without flicker. LED strips can be controlled directly from the controller, without additional receivers. The rotary knob allows convenient brightness adjustment with 50 levels. Long press on the knob enables brightness adjustment with 256 levels. The controller uses PWM output to regulate LED brightness by switching current pulses. Can be used as a remote control. Supports RF 2.4GHz single-zone or multi-zone remote control. Luxurious design, glass panel and silver-colored knob. Wall-mounted like a standard switch. The dimmer is universal, compatible with various LED controllers and remote controls. Built-in protections against short circuit, overheating, and overload with automatic recovery.  Specifications: Product model: T1-K. Compatibility: Skydance V1, V2-L, V3, V3-L, V3-X, V4-L, V4-D, VP. Number of channels: 3. Lighting systems: single-color. Operating frequency: RF 2.4GHz. Voltage: 12-48V DC. Current: 4A (per channel). Power: 144W@12V; 288W@24V. Dimming range: 0-100%. Dimming levels: 256. PWM frequency: 2KHz / 8KHz. Buttons: 1 (rotary and push) knob. Safety rating: IP20 (non-waterproof). Certificates: CE, EMC, LVD, RED, RoHS. Operating temperature: -30~+55°C. Compatible wire cross-section: 0.5-2.0 mm². Dimensions: 86 x 86 x 48 mm. Color: white.  Warranty: 24 months.