electronic keypad locks for doors

Main Features: Keys and frame made of znic alloy 16 keys: 10 numeric keys and 6 function keys Dustproof, waterproof, against corrosion,shake-proof, bombproof,falling raining, hose-directed water and vandal resistant, used in access control system and calling equipment. IK Protection Class DIN EN 50102:IK07 Mechanical and Performance Data: Switch Contact Material: Gold Technology of the contact, Epoxy resin PCB. Wide voltage input: 5V DC LED voltage input :3VDC Key lifetime >