This is a 5050/3528 LED strip controller with 3 keys. This controller can operate from 12 volts to 24 volts DC supply. On both ends, it has 2 wires output which can be connected to ANY strip and power directly. The controller can operate at up to 5A current which means you can run 5 meters led strip easily on this controller. This controller comes with 3 keys for various different patterns of RGB functions like Brightness adjustments, Blink frequency adjustment, and Mode button. Features:-  Easy to connect Flexible key operating system Multi-functioning controller for better performance Operating voltage : 12V to 24V Power rating : up to 5A Output current : 2A each Number of buttons : 3 Easily change mode, speed and brightness by pressing 3 keys 8 Dynamic modes (static, fade, strobe, flash etc) on single color LEDs. 8 brightness levels and 5 lighting speeds on single color LEDs. Led Strip Controller