... life 2,energy-saving environment-friendly 3,Quality warranty New Designed Industrial Lights 80W Features:1,Heat dissipation technologynew technology ... long life time, lamp temperature is less than 65 degree.2,Life time: 20000-300003,Suspension,easy installation 4, ... Alloy + PCWorking EnvironmentTemp: -40°C-55°C Humid: 10%-90% Application:Workshop, warehouse, toll station, gas station, supermerket, gym ...