1, Metal shell , high strength and corrosion paint processing.
2, It can sey up 4 groups work periods , 7 days timer programming and freely adjust arpma concentration by PCB control.
PCB program can be locked after using using, make it more safe.
3, Aluminum decorative trip and aluminum case design.
4, Aluminum bottle can store oil longer time.
5, Hidden outlet deisgn.
6, Use waterproof metal switch to make it safe and convenient.
7 , Fan inside to diffuse the fragrance more quickly and more average.