Explosion-proof floodlight: (BAT54 series) 1.explosion-protection gas explosion protection :EX II 2G Exnr II T3 FOR 400W below 2,certificates: for gas explosion protection :PCEC(China) 3.material housing :stainless steel .light,corrosion protection ballast: choke ballsat.quick start.steady.performance reflector:pure aluminum 4.Lamps lamp holder:E40 Available lamp and wattage (w):High pressure soldium lamp(HSE):2500W.400W.100W High pressure mercury lamp(HME);250W.400W Metal halide lamp(HIE);250W.400W.100W 5.Rated voltage:AC220V 50HZ(198-242V) 6.Degree of protection :IP65 7.Ambient temperature:-20oC-+55oC