This is A 12V / 24V DC 30A LED PWM Dimmer Controller ON / OFF Switch with Metal Casing for Single Color 5050 LED Strip Lights.?Features:1.The brightness of 0-100% can be adjusted so that the light is soft and stable without flickering.2.When the PWM digital mode is dimmed, the surge may be avoided, damaging the LED light.3.Constant voltage and constant current output.4.Easy to use.It is manually operated with a knob controller. It also has an auto-memory feature, bring your comfortable home.?Specification:Name: LED Switch DimmerMaterial: metalBrightness Adjustable Level: 0-100%Input voltage: DC 12V-24V 30AInput current: 0-30A, less than 30APower: 12 V 360 W, 24 V 720 WStatic power consumption: 1WWorking temperature: -20-60 CColor: as shown?Packing List:1LED Switch Dimmer1User Manual?Warranty:If you have any questions about this product, you can contact us by email and we will answer you within 24 hours.