1*4 keypads Dustproof, waterproof, shake-proof, pickproof, drill-proof, bombproof; CE, FCC, ... ;CE, FCC, RoHS CertificationApplications: Self-service terminal, internet kiosk, industrial control, medical device; Compatiable with Win 98/ME/2000/XPInterface: PS ... quality Stainless Keypad for Self-service terminal, internet kiosk, industrial control, medical device(Model No:S-6028)