... voltage.4. Stable voltage and state of the art LED driver technology ensures consistent illumination levels.5.Smooth light ... No mercury.8.Waterproof:IP66 Applications:Tunnel,FootballField,Stage,Advertising Board,Gym,Stadium,Yard,Lawn,Garden,Park,Plaza,Workshop, Warehouse,Shopping ... When you have purchased our product,please leave a message orcontact directly to tell us your chosen color,or ...