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:220V±10%,Frequency:50Hz±10% 
5. Input power:180VA
6. UV wavelength:253.7nm
7. Irradiance:≥107uw/cm2(Single tube)
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 0-120 min.