509 Kingpin Ignite Heated Electric Snowmobile Goggles Clear Lens. Ignite heated dual lens technology. Sonic welded, IP57 rated water & dust resistant power pack. Thermal conductive transparent ITO (Indium Tin Oxide) heated lens. Strap mounted rechargeable lightweight 7.4v, 2200mAh lithium-ion power pack. Lightweight rechargeable power pack & charging cable. Single button ignition: Auto 120 second mode & Always on mode. 104° F maximum heating temperature. 4-5 hour continuous max temp runtime. Audible & LED status indicators. Thermal conductive transparent ITO ...