USB Rechargeable<br> The puck light can be charged by any USB port,like plug,power bank or laptop.Energy saving and save more money!<br> Note:<br> 1.Please charge the product before the first-use.Charge for 2-3 hours (Red light is charging state, Light off is full state).<br> 2.Remove the plastic spacer before using the remote control.<br> 3.Before using the adhesives, please wipe the area where you need to paste it to avoid dust, water, etc., otherwise the bonding strength will be affected.<br> 4.Don't charge for a long time (prohibit more than 12 hours), Excessive charging time will affect the battery life, prohibit using while charging all time.<br> 5.Please place the products away from fire or high temperature place. Children should use this product under the guidance of adults.<br> 6.Any problems please feel free to comminicate with us,we are striving to provide good products and a happy shopping experience for every customer, we will try our best to provide a satisfied solution!<br> Package Included:<br> 4 x Battery operated light bulb<br> 4 x remote control<br> 1 x instructions