High Luminous effciency Good Color rendering Long serivce life Good Photochromism Optimum colour temperatue haracteristic:1.High Luminous effciency2.Good Color rendering3.Long serivce life4.Good Photochromism5.Optimum colour temperature6.High colour stability over the life. Application:1.Stadium2.Exhibition center3.Supermarket4.pleasure ground5.street lighting MH250ED28 metal halide lamp