Detailed Product Description Light color: White (5000-7000 Kelvin) Power of LED: 72x1W LEDefficiency: 90-100 lm/w, using Cree LED as light source, assuring both high efficiency andstable, long-lasting performance.Long lifestime: up to 50,000 hours No Hg pollution, no infrared ray and ultraviolet radiation in spectrum, eco-friendly. Short response time: LED can be lit within several tens of nanoseconds. Quality extruded aluminum housing, with surface treated by sand blasting oxidation.Quality die-casting aluminum alloy side cover, with plastic spraying surface treatment.Lamp cover: quality transparent tempered glass.High CRI: Ra>75, much higher than traditional sodium lamp(Ra about 40).Instrallation: 5-6 meters mounting height, wall mounting.Ingress protection: IP65.Can be direct wired to the mains or used in solar system.Applications: tunnel lighting, cave lighting...also used as flood lightKey words:LED Tunnel Lighting,led tunnel light,led tunnel lamp,Power LED Lamp,tunnel head light,led tunnel lights,tunnel light system,tunnel lights,tunnel light,led tunnel lamp,tunnel lamp,LED,led