1、Automatic Light: Solar light control switch, automatic light control switch in dark, simple operation, fine workmanship. 2、Light Control Function: Switch control board with photoresistor. It will automatically turn on at dark. It will automatically turn off at dawn. There is no delay. 3、Low Voltage Control Board: Low voltage pure light controlled switch control board, as long as it is within the required range, you can connect to any lighting products you want to control. 4、Application Scenarios: Solar light control board is suitable for solar lights, low voltage DC corridor lights, garage lights, street lights, gardens, etc. 5、Lightweight and Portable: Light switch controller is light in weight, small in size, easy to carry and store, convenient and quick to use, and stable in performance. Item Type: Solar Light Control Board Material: PCB Size: Approx. 25.7 x 18.1mm / 1.0 x 0.7in Input Voltage: DC 3V-30V (Do not use dry batteries) Output Voltage: DC3V-30V (How many V input is connected to the output is how much V) Output Lamp W Number: Power supply voltage X4 is the maximum withstand W number. (For example, 12V power supply cannot exceed 48W lamp) current cannot exceed 4A 1 x Solar Light Control Board 1 x User Manual