Helmet/Flashlight Ex, with eLED, power 12.1 W, graphite. Waterproof construction for use in all weather conditions. 2 light levels (High/Low), bright spot beam, minimal stray light, no glare effect. Flame retardant and temperature resistant according to EN 443/DIN 137:2007-01. Safety certificate for use in explosion hazard areas Zone 0, 1, and 2 for gas / Zone 20, 21, and 22 for dust. Water and dustproof. Equipped with a rear pressure switch for turning the lamp on and off, with options for continuous light and momentary light. The high-end model with a rear switch. This helmet lamp features all newly developed technical features such as CPO (Compound Path Optics) and TRS (Thermal Recovery System). The TRS directs the heat emitted by the LED to the batteries to improve performance in cold weather. In addition to cold weather performance, this lamp is intrinsically safe, certified in temperature class T4, and is also flame retardant and temperature resistant according to EN 443/DIN EN 137:2007-01. Durable due to its impact-resistant construction made of polycarbonate/ABS/graphite, LEXAN®, and polyurethane. Includes 3 AA batteries. Ex certification (Gas): II 1G Ex ia op is IIC T4 Ga Ex certification (Dust): II 1D Ex ia op is IIIC T75 °C Da Certificate number: SEV 18 ATEX 0177 X.