Distributed light source:150W-400W high pressure sodium lamp Rated voltage and frequency:220V?0%/50Hz Installation tube size:￠48mm Installation height:6-12m SPECIFIC INDICE RANGE FEATURES IP66 lamps-optical block and electrical compartment. Body in pressure-injected aluminium alloy and domes in spun aluinium. Yaoshi reflectors in high-purity, polished, anodized aluminium. Removable gear can be unplugged without tools. Active charcoal breathing filter. Opening of the lantern by push-button-on tool required. Large range of models, due to the many configurations of domes and bowls. Ability to incorporate video-surveillance and public-address accessories.