Features: Usually matches with LED controller， LED lighting sources and power supply， to make up an integrated LED system. Takes charge of the amplification of output signal from LED controller to improve the load output capacity of LED system. With this amplifier， you can extend your RGB LED strips such as 5050， 3528， etc.Specifications: Operating voltage：DC12V Operating temperature：-20-60℃ Connecting mode: Common anode Output: 3CH Max output current: 4A/CH Output power: 144W (12V) Size: 15 * 1.3 * 0.5cm/ 5.9 * 0.5 * 0.2in Weight: 6g/ 0.2oz Package Content: 1 * LED amplifier (LED Strip Light and controller not included)