- operating voltage: 110-130v/60hz 220-240v/50hz - max watt: 400w - lamp: mh250-400w/e40 Hps250w/e40 - die casting housing weight: 1300g - floodlight weight(empty): 4.0kgs - material: die casting aluminum housing, - glass: 5mm thickness of toughened glass - thickness of supporting holder: 3mm - reflector: 0.20mm thickness of high purity aluminum reflector. - finishes: white, black, grey - ip rating: ip65 - packing: 47*43.5*16cm (1pc/ctn) 47*44*32.5cm (2pcs/ctn) - very convenient for replcement and maintainence. - guarantee: one year. If large quantity, there is more discount. 2pcs/ctn