This linear led batten fixture with double tubes which adopts SMD2835 chips, can achieve higher lumen out put. The tubes of this led linear lighting fixture adopts bridge wiring design, no need to consider the power direction of the tube. It's easy for installation of the Linear LED Batten Fixture. Besides, the huge terminal of the led linear lighting fixture is easy for wiring. This vapor tight luminaire 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): 140 Warranty(Year): 3-Year Type : led linear lighting fixture Application: Office, Warehouse, Garage, Factory Lighting solutions service: Lighting and circuitry design, DIALux evo layout, Agi32 layout Model Number: ZL-PTBLP36-4FT-CE Color Temperature(CCT) : 5500K (Daylight) Input Voltage(V): AC 110 or 230V( �± 10%) Color Rendering Index(Ra): 80 Support Dimmer: NO Lifespan (hours): 54000 Working Time (hours): 54000 Length: 4ft IP Rate: IP 65 Beam angle: 120 Degree Material: PC + PC Wattage: 2*18w