The LED dimmer is flush mount with a mounting hole size of 10mm (0.39 inch), saving space and easily attached to LED lights. This dimmer switch is designed for DC 12V applications and compatible with input voltages from 3.6V to 15V, functioning as a touch-sensitive control for LED lighting systems. Ensure your driver is a constant voltage type, as this dimmer is not compatible with constant current drivers. Refer to the provided image to identify the difference between constant voltage and constant current drivers. Input voltage: DC 3.6–15V Working current: 2.5A Control method: Touch operation – tap to turn on/off, press and hold to adjust brightness continuously from 0% to 100%. Ideal for use in RVs, cabinets, wine coolers, display cases, closets, and similar applications. Can be used with various LED lighting fixtures such as desk lamps, ceiling lights, pendant lights, and other low-voltage lighting setups. Dimensions: 10mm Material: ABS Color: White Package Includes: 2 x LED Touch Switches Note: The package includes only the items listed above. Other accessories are not included. Due to lighting effects and differences in display screens, actual product color may vary slightly from images. Measurement tolerance: ±1–3cm.