1.CE RoHS 3 years warranty 2.Sensor function,emergency light 3.Good quality and acceptab 40W LED TRI-PROOF LIGHT LightParameters:1. ... and state of the art LED driver technology ensures consistent illumination levels.5.Smooth light distribution.6.Dustproof,Explosion ... ,Corridor, Subway, Underground parking garage/bridge,Wharf; with CE RoHS 3 years warranty,sensor,emergency led tri proof light