Explosion protected helmet lamp/torch, with eLED, power 12.1 W, graphite. Supplied = assembled. Bulb = eLED. Operating life = 8 hrs. Luminous flux = 110/22 lumen. Illuminates up to = 93 m. Power supply = battery operated. Battery = 3x1, 5 V AA. Power = 12.1 watt. Protection type = IP67. ATEX zone = 0, 1, 2, 20, 21, 22. Length = 134.6 mm. Height = 40.6 mm. Light head diameter = 35.6 mm. Weight = 0.15 kg. Material = polycarbonate, ABS plastic. Waterproof design for use in all weather conditions. 2 light levels (high/low) , bright spot light, very little scattered light, no dazzle effect. Flame retardant and temperature resistant in accordance with EN 443/DIN 137:2007-01. Safety certificate for use in areas at risk of explosion in zone 0, 1 and 2 for gas/zone 20, 21 and 22 for dust. Waterproof and dustproof. With rear push switch for switching the lamp on and off, constant light and short flash of light possible. The high-end model with rear switch. This helmet lamp has all the newly developed technical features such as CPO (Compound Path Optics) and TRS (Thermal Recovery System) The TRS transfers the heat emitted by the LED to the batteries to improve performance in cold weather. In addition to cold weather performance, this lamp, intrinsically safe, is certified in temperature class T4, is also flame retardant and temperature resistant to EN 443/DIN EN 137:2007-01. Durable due to high impact polycarbonate/ABS/graphite, LEXAN and polyurethane construction. Including 3 batteries type AA. 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