2pcs RGB 5050 SMD 4 LED Strip Light Sign Signal Amplifier Enlarger 12VSpecifications:Supply Voltage: DC12V-24VProduct Size: L 98 × W 65× H24 mmConnecting Mode: Common anodeMax. Output current: 4A each colorWorking Temperature: -20 ~ 60℃Protection Rate IP65(Non-Waterproof)Long lifespan >50，000 hoursApplications:The RGB amplifier applies to the voltage-controlled LED controller; it can receive PWM (Pulse Width Modulation). Each time add one RGB amplifier， the connecting number of LEDs will be more than twice.It receive RGB signal from LED controller and send the signal to another group of LED sourcePackage included(Qty=1):2 X RGB Signal Amplifier，4 X Connectors