Intrinsically safe LED headlamp suitable for Zones 0/20, Patented Advanced Focus System optics for spot (near) or flood (distance) illumination, Magnetic switch for easier operation - even with gloves on, Direct the light within a 55? angle, Rear red safety light acts as a positional marker to locate wearer, Detachable, washable headband with a rubberised back for better grip, Batteries easily changed without the need for any special tools or allen key, IP66 dust/water resistance, II 1G Ex ia op is IIC T4 Ga, II 1D Ex ia op is IIIC T135?C Da, 3 x AA (supplied), 7-year with registration warranty for complete peace of mind, 50 lumen low light beam can be selected which will provide a 50 hour max run time