Led chip:epistar Size: 4 inch Working voltage:9-32vdc Power:9×3w 27W Current draw:1.8a@12v, 0.9a@24v Raw lumen:1755lm Ip rating:IP67 Housing material:die-cast aluminum Lens material:pc Mountiong bracket:stainless steel Beam pattern:spot beam, flood beam Life-span:30, 000hour Qty: 20pcs/ctn N.W: 0.8kg/pcs Ctn size: 37*34*28cm Gross weight: 16.5kg