1)membrane switch panel with good click ration 2)membrane switch keypad overlay 3)Passed ISO2008:9001 Dongguan XingAn Electronics Co.,LTD Membrane Keypads· Graphic overlay only or full switching membrane· Metal or polydome contacts· Tactile or non-tactile feel· Integral SMD LEDS· LCD windows· ESD/RFI shielding· Insertable legend options Rubber Keypads· Backlighting options· Various coatings eg ...