RGB + W 4 Channel PWM data amplifier/repeater is normally used with RGB+W LED strips, RGB+W Modules, RGB+W LED lights etc, and lets you add more lights to your RGB+W Controller and control those extra lights with the same RGB+W control. This Data repeater/power amplifier has 4 channels, 3 of them normally used for Red Green and Blue (RGB) and the fourth one used for White. This is very handy for LED Lights that have white light as well as RGB lights.UL Listed E493882, Dimmable Yes, Input Voltage 12 to 36V DC, Warranty 3 Years, Weight 0.45 lbs, Dimensions L: 6.68in x W: 2.43in x H: 1.25in, IP Rating IP33, Control System Triac PWM, RGB Channels 4 X 8A, Product Color White, Working Temperature -30 to 100F, Certificates CE, RoHS, UL Listed