The Solar powered AV70 and AV70-HI aviation lights offer enormous benefits over traditional battery and hard-wired aviation lights, including low maintenance and no wiring.LED Obstruction LightingThese completely self-contained LED lights are designed to suit a range of aviation and general applications.The AV70-HI is a high intensity version of the AV70 and is ideal for use in high sunlight areas that receive a minimum of 3.5 hours of sun per day or when an application requires a minimum Photometric output of 10cd