killing or inactivating bacteria, viruses and other primitive organism air, water and surface disinfection in hospitals, bacteriological research and pharmaceutical environments, and food processing industries such as dairies, breweries and bakeries, disinfection of drinking water, wasted water, swimming pools, air conditioning systems, cold storage rooms, packing materials Features: 1) Watt:4-125W 2) Lamp working voltage: 28V, 42V, 56V, 45V, 56V, 60V, 62V and so on 3) Wave length (NM): 254 4) Life:5000h