Explosion-proof Led Tunnel Lights 1.80-90% ... 150W,180W,210W all available. 3.3 Years Warrant Explosion-proof Led Tunnel Lights 120W, 140W, 150W,180W,210W ... .9. Energy save 50% at least than the conventional Metal halide lamp, Sodium Light or HPS light.10. Ideal heat ... Harmonic Distortion:8%Working Temperature:- 40 C- + 50 CStorage Temperature:0 - 50 CWorking Humidity:10 % ~ 90 % RHJunction Temperature: ...