This T8 twin tube LED weatherproof fitting adopts SMD2835 chips, can achieve higher lumen out put. The tubes of this lT8 twin tube LED weatherproof fitting adopts bridge wiring design, no need to consider the power direction of the tube. It's easy for installation of the T8 twin tube LED weatherproof fitting. Besides, the huge terminal of the LED weatherproof fitting is easy for wiring. This vapor tight LED light fitting adopts high-grade PC base and milky PC diffuser housing, good quality seal for better waterproof. It widely used in tunnel, Rail-way or Metro station, Supermarket, stair well, corridor, evacuation passage especially parking lots, electrical room, ships and other basements. Lamp Luminous Efficiency(lm/w): 130 Warranty(Year): 3-Year Type : LED triproof tube light fixture Application: Office, Warehouse, Garage, Factory Lighting solutions service: Lighting and circuitry design, DIALux evo layout, Agi32 layout Model Number: ZL-PTBLP40-4FT-CE Color Temperature(CCT) : 5000K (Daylight) Input Voltage(V): AC 110 or 230V( �± 10%) Color Rendering Index(Ra): 80 Support Dimmer: NO Lifespan (hours): 50000 Working Time (hours): 50000 Length: 5ft IP Rate: IP 65 Beam angle: 120 Degree Material: PC + PC Wattage: 2*20w