Best effect when use it in the night Can used be a flash light Low power consumption.Energy saving - Low power consumption and long service life. With our state of the art low power consumption LED light for GoPro, you could use any type of external power for hours, while capturing your awesome new shots. Energy saving - Low power consumption and long service life. With our state of the art low power consumption LED light for GoPro, you could use any type of external power for hours, while capturing your awesome new shots. Note: Please prepare portable charger, or connect to a USB port of PC, laptop, mobile power. Cameras and Waterproof Housing Not Included