Jethwear - Force Electric Gogglelens is equipped with hidden heat wires that is activated through a simple press of a button. There are also three modes to choose from depending on how much heat you want activated on the lens. So, say goodbye to fogged up lenses and say Hi to a clear vision with the Force Electric Goggle. Heated anti fog lens Low temprature battery 3 heating stages Charging Indicator Outriggers Magnetic lens changing system Removable Noseuard 3 wave anti slip