double ended 150w rx7s metal halide lamp 1.HQI-TS 150W/D 5200K RX7S-24 2.HQI- ... .HQI-TS 150W/WDL double ended 150w rx7s metal halide lamp1.POWERSTAR HQI-TS metal halide lamps are noted for theirhigh luminous efficacy and ... ,hotels,restaurants,trade fairs,exhibitions,offices,schools,sports halls,etc.5.Outdoor applications:Floodlighting,building facades and monuments.