Description: Keyframe made of engineering plastics Buttons using molding process craft. Words never fall off, never fade Conductive rubber made of natural silicone, wear-resistant, corrosion-resistant, anti-aging Keyboard for the pin interface. 3X4 design, 10 numeric keys, 2 function keys. Circuit board is PCB double-panel Specification: Key switch=SPST, momentary, Normal open N.O. Key on resistance
