Structure features 
* Double tubes structure, which can also be used independently. 
* Angle of lamp arm can be adjusted. In order to protect tubes from dust and damage, please leave protection door shut while it doesn't work. 
* Sterilization timing range: 0~ 60 minutes for sterilization. Once sterilization is finished, buzzer rings, 
circuit breaks down and pipe turns off. 
* Do circuit test before use to make sure if there is no leakage prior to application.