... 2 Years warranty High efficiency of heat sinkingThree kinds chips for choose: Bridgelux, Epistar 45mil, Epistar 35milTechnical Date: Dimension:L360mm ... 90W 100W,120W,140W,160W Application:tunnel light, spot light for tunnel, for lighting in parks, billboards, streets, tunnels, parking lots ... to contact me with any question for further information, I am Jessie, Waiting for your Inquiry, and we will send ...