HUALAND 20 Key RF Remote Wireless RGB LED Light Controller Aluminum Case DC 12-24V, 12A SMD 5050 3528 LED Strip HIGH COMPATIBILITY: Power supply voltage DC 12-24V, 3 channels, max output current 12A. Capable of running 10m LED strip with 60pcs SMD 5050 LEDs per meter or 20m LED strip with 30pcs SMD 5050 LEDs per meter. RF TECHNOLOGY. This device adapt advanced radio frequency signal technology. Longer controller range than IR controller. Remote are able to control the device from any direction. BIG POWER LOAD. It is able to take up to 600 units 5050RGB lights or 1800 units 3528RGB lights. PWM TECHNOLOGY: Adopts advanced PWM technology, capable of controlling various kinds of LED appliances that has the RGB coloring changing feature. For example: RGB 5050 3528 LED strip, automotive LED lighting, LED modules, LED strings and so on.