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°,120°,135°,150°. 
9.It is equipped with a timer will increase 15 mins per pressing the time limitation of 0-1440 min.
10.During the sterilization,if a person or an animal breaks into the room, the lamp will be alarmed and off automatically open left.
11. It with time lag function.
12. It with remote control