... .Opposing polarity protetive Features and benefits1.Made of top famous LED source Cree/Osram, high ... al loy housing is smoothly sculpted for a comfortable and secure grip, is hard ... with Ex, ib, IIC, T4, IEC60079-11, EN60079-11.5.Designed with advanced Optical Principles, making ... in heat/fault protection.Appl icationsMine, petroleum and petrochemical, aircraft, mi l itary, outdoors, indoors, portable ...