Power: 288w Size: 50inches Led Chip: Epistar 3w/chip Voltage: 10~30V DC Lumen: 68lm/w Beam Type: Spot/ Flood//Combo beam IP rating: IP67 Housing material: Die-cast Aluminum Lens material: PolyC Brackets material: stainless steel Color temperature: 6000k Work temperature: -40~ 80? Life span: 30000 hours 4 pieces per export carton