1.Diameter:3.0/3.5/4.0/5.0/6.0mm 2.Feel value:40% to 70% 3.Life:more than 100 million times 4.Temperature:-40 degree/48H

Metal Dome:

     Dome is a piece of metal shrapnel, with the conductivity of the metal,it's used in circuit board PCB or FPC,etc.Compared with traditional silicone keypad,dome has long life, small size and high sensitivity characteristics.It's widely used in :mobile phones, walkie-talkie,MP3,MP4,GPS navigation systems,electronic dictionaries,digital photo frames, game consoles,remote control and other digital electronic products.We could accord customer's drawings to produce a series of Dome. 

botton of cellphone