This item is a light strip remote controller set. It will provide convenience in controlling light color, brightness, via infrared remote controller or phone app, very practical for LED lighting control. Features -Color: White -Material: ABS -Size: 50.00X3.50X2.20cm/19.65X1.38X0.86in Input Voltage : 4.5 - 26V Working Temp : -5 - 75 degree centigrade : 144W(24V) Standby mode : <0.5W - This smart controller supports wireless remote control and infrared remote control. - Use the power supply of the DC 5.5x2.1 interface to connect to the controller, and the LED strips are connected in the direction marked on the interface. - Connect the power supply, the controller will automatically turn on, and the battery insulation sheet must be pulled out first to use the infrared remote control. - When using the mobile phone to control, you need to download the phone app first, you the attached QR code to download the APP (multilingual). - Turn on the wireless connection of the mobile phone to connect to the corresponding controller, and you can use the mobile phone to control the connection. Package list: 1 x controller 1 x infrared remote control 1 x English manual