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1.Structure:made by silicone rubber keypad and graphic membrane key pad,with metal dome
2..life time :1000000 times to 3000000 times
3.used in industry machine,
4.with gold metal dome,very good tactile feeling
5.total thiness:1.6 mm
6. 100% test and inspection
customized silicone keyboards embossed with number keys and based a PET tail