The ESS tactical striker series is designed for law enforcement and military use alike where environmental conditions such as high humidity, enclosed spaces or poor ventilation require extra ventilation. The Striker TurboFan ffers 2-speed exhaust technology in a goggle that fits over most glasses. The robust PowerPod (TM) battery pack with a push button switch is positioned near the back of the head for snag free operation. A single AA battery powers the two speed fan system for up to 150 hours of continuous speed operation. Features of the tactical goggle are: patented 2 speed TurboFan (TM) draws fresh air in through the goggle bottom and forces humid air out the top at up to 13,000 rpm; PowerPod battery pack which is extremely robust and water resistant for all weather operation; 2 speed push button switch with patented new technology to provide constant fan speeds as battery power diminishes; enhanced battery life able to run for up to 150 hours on a single AA battery at low speed with auto off to maximise battery life; improved TurboFan (Tm) Blade Geometry which is more efficient than previous versions; soft face padding for superior comfort; absorption and fit; 40mm durable elastic strap with rear buckle for quick release; 2.4mm impact resistant lenses exceeding ANSI Z87.1-2003+ and US Military .22 calibre ballistic impact test MIL-V-43511C; ESS ClearZone (TM) anti fog and anti scratch lens coatings; 100% UVA/UVB protection; frame that fits over most eyeglasses. The goggle set includes a clear and grey lens, two tear-off lens covers and protective pouch. Add review Read customers reviews