Simple operation: the LED light bar dimmer switch is controlled by a knob. Turn the knob to adjust brightness or turn the light on/off. Turning the knob to the right gradually increases brightness, while turning it to the left gradually dims the light. No flicker or current fluctuation: utilizes PWM digital dimming technology for 0%-100% dimming. Provides stable performance with no flickering at low brightness levels and smooth, linear adjustment. Working temperature: -20°C to 60°C. Concealable and easy to install: compact design measuring 65 x 33 x 32 mm allows for discreet placement. Includes mounting clips for easy installation. Compatible with single-color LED strips including 3528, 5050, 5630, 5730, and 3014 models. Suitable for use with 12V-24V DC LED light bars. Specifications: - Maximum power: 72W at 12V / 144W at 24V (for 6A version) or 24W at 12V / 48W at 24V (for 2A version) - Single channel output current: less than 6A or 2A depending on model - Maximum control distance: up to 10 meters - Output type: single channel - Color: black or white - Material: metal and plastic Package includes: 1 x LED strip dimmer Note: Other items not included. Due to lighting effects and display settings, actual product color may vary slightly from images. Measurement tolerance: +/- 1-3 cm.