150 watt hci ts double ended ceramic metal halide lamp with an rx7s base a hci ts lamp is a compact double ended discharge lamp with a high efficiency hci ts lamps maintain stable colour over their lifetime and emit a crisp sparkling light hci tss are frequently used in shops shop windows public buildings and offices they can also be used outdoors for floodlighting and pedestrian areas this hci ts lamp is available in colours 830warm white and 942cool white box