Illuminating Brightness: The lamp panel has four 1000W high efficient gaseous discharge lamps, with large scale illumination, high brightness, long distance irradiation and long service time (beyond 10000hours). On the trailer, the lamp has perfect shockproof function and it particularly suitable for the outdoor large operation lighting Raising and lowing mast: The mast is made from high-strength alloy material; It could realize raising/lowing automatically and the max extension of the mast is 9m, which enables the lighting cover the whole operation sites. Working time: Adopt the domestic diesel generator for power supply, it could continuously work 9 hours once the fuel tank is full; Also it could connect the 220AV main supply to realize the long working time.