features: input voltage : ac 220-240v, 50/60hz driver type : constant current. integral pf>=0.9 voltage operating range : 80-400 vac high surge protection: 4kv cri: ra>80 led life : 50,000 bh optics : polycarbonate diffuser recomended height of the pole: 3.5 mtr recommended pipe outer diameter: 30-35mm application areas: street light ,gardens ,pathways ,residential building compound lighting