Fog doesn't stand a chance with the bestselling 509 Kingpin Ignite Goggle featuring heated lens technology derived from the same science used in military aircraft windshields. Simply push a button and the lightweight, strap-mounted rechargeable lithium-ion power pack quickly heats the entire inner lens surface to 104¬∞F. The system features a 2-minute mode or ‘always on’ mode, along with a continuous runtime rating of up to 5 hours at max temp for all-day clarity.
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: 120 second mode & Always on mode
104 °F maximum heating temperature
4 to 5 hours continuous max temp runtime
Audible & LED status indicators
Specs
VLT Conditions: S0 = 80% to 100% Light Transmission  S1 = 43% to 80% Light Transmission  S2 = 20% to 43% Light Transmission  S3 = 10% to 18% Light Transmission  VLT (Visible Light Transmission) refers to the amount of light that can pass through the goggle lens. 
Clear Lens: Night or Low-Light Conditions (VLT S0)
