Features: 0 ~ 100% brightness adjustable. Adjust the light to be soft and stable without flickering. PWM digital dimming, avoid inrush current and protect your LED lights. Change the brightness of lamps and lanterns by controlling the voltage and current output. It is mainly used to adjust the single color LED lighting/light bar, monochrome 5050 3528 light bar. No 6. LED lamps suitable for multi-color mixing (such as RGB strips/lamps, desk lamps, fans, energy-saving lamps, bulbs, etc. Package Includes: 1x Dimmer Switch Specifications: Material:Metal Size:Approx.6.6x6.1x2cm/2.59x2.4x0.78inches Type:with cover/without cover With automatic memory function Dimming range: 0-3%-100% stepless dimming Input voltage: DC DC 12-24V 30A Input current: 0-30A less than 30A Power: 12v 360W watts (W) 24v 720 watts The minimum power is greater than 1 watt. Working temperature: -20 ~ 60 degrees Celsius Packaged product: 110 grams note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3.Now there is a case of using a mos tube in the market, please pay special attention to the buyer when purchasing! ! A mos tube can't reach the power of 360w at all! ! There are also small mos tubes, which cannot reach the power of 360W! ! Thanks for your understandings.