1NO OVERCHARGE OR OVERDISCHARGE PROTECTION: Please note that this control board does not come with built in overcharge or overdischarge protection. It requires batteries with their own protection boards for safe usage. 2IDEAL FOR SOLAR LIGHT UPGRADES: Our control board is suitable for retrofitting or repairing integrated solar street lights, providing efficient and reliable performance. 3ADJUSTABLE BRIGHTNESS: The solar circuit board allows you to adjust the brightness according to your needs, and the remote control enables convenient and timely timing. 4EASY OPERATION: With simple operation, our solar circuit board saves time and power, making it a user friendly choice for both professionals and DIY enthusiasts. 5POWER SAVING: By using our solar circuit board with remote control, you can easily save time and electricity, making it an effective solution. 1 xSolarLightCircuitBoard 1 x Remote Control 1 x User Manual