high uv output ,high ozone output ,the life time can reached 13000 hours The Characteristic of the amalgam lamp is: 1,the amalgam lamp putout the ultraviolet more than 3 times compared with the normal UV lamp in the same lenght 2,the life time can arrived 13000 hours 3, amalgam lamps can used in wild rang (4-90) 3, the most important is it can used in Vertical uv lamp in cook room