Technical Specification: It is made of carbon steel,with its four-tube structure,it could be used independently,the technical parameters are: 1.Tube power: ≥ 30W×4 2.Number of tubes: 4 3.Applicable static area: ≥60m2 4.Voltage: 110V±10% or 220V±10%, Frequency: 50Hz±10% 5.Input power: 180VA 6.UV wavelength: 253.7nm 7.Irradiance: ≥ 428uw/cm2 8.It is movable and foldable, the tube could be concealed inside, and adjusted to various angles: 30°,60°,90°,135°, 180°. 9.It is equipped with a timer equipment with the time limitation of 0-1440 min