Oznium Fade-in Fade-Out LED Dimmer PROFESSIONAL SMOOTH FADE IN / FADE OUT EFFECT: No more abrupt turn on / turn off of your lights. Instead, they slowly increase in brightness when you turn them on, and slowly decrease in brightness when you turn them off. CHOOSE FROM 13 SPEEDS: From slow to fast, you can choose from 13 different speeds. Simply press the "Speed" button on the dimmer to cycle the fading speeds. The LEDs will flash once to confirm the speed change. POWER UP TO 2 AMPS: At 12 volts, you can power up to 2 amps of LEDs. An inline fuse is included for circuit overload protection. Input voltage: 12-24V. Output voltage: 12-24V. ENDLESS POSSIBILITIES: 1000's of creative uses, whether you want to light up your car, truck, boat, house, our high quality fade-in fade-out LED dimmer module is just what you need. The project ideas are endless, and we love seeing new ways our customers use this LED controller. Send us your application photos! LIFETIME GUARANTEE: We sell products that last. Our rock-solid guarantee means we'll replace your LED dimmer if there's ever a problem. Pass it on to the next generation with confidence.