Halogen tungsten lamp 1,small volume 2,high brightness 3,chromatic light and easy to use Halogen tungsten lamp use:suitable for plaza, hall, building site, station, wharf and all of the large-area place need lighted. points for attention: 1. before light the lamp ,please erase the fingerprint to ensure the transparency and increase the luminous efficiency 2.heater is so brittleness, please avoid ...