The liight is a built-in lithium battery power supply and can be charged by solar energy. <br/> it is suitable for installation in any objects and applications where the position needs to be indicated, such as small ships, yachts, buildings, gardens and so on.<br/> The light with wireless-design, waterproof-design and has three control methods:<br/><br/> 1. With Light Sensor: The product has an internal photosensitive system, which can automatically control the light to automatically turn on the flash state at night and automatically turn off during the day.<br/> 2. With Manual switch: There is a main power switch button and a function switch button at the bottom of the manually controlled lamp.<br/> 3.With Wireless remote: The remote control can control the light to switch between different functional states.<br/> The manual switch and remote control can switch different functional states such as constant light, flash, SOS light, etc. according to user requirements, and switch to the light sensor control state.<br/><br/> Advantage:<br/> Only solar charging, without any external connection line;<br/> Completely waterproof, waterproof grade IP67;<br/> Three modes of operation:<br/> 1) Manual button switch<br/> 2) Remote control<br/> 3) Photosensitive automatic sensor switch;<br/> A variety of functions can be switched freely, in order: photosensitive flashing-white light flashing-three colors always bright-red and green always bright-white light always bright-SOS-off<br/> Working hours: flashing>150h, constant light>12h, SOS>20h<br/>