Honeywell Access KP-11 keypad offer security without the use of a card. The users onlyhave to enter their personal numerical code to gain access. The unsurpassed ability of these keypads to tolerate virtually any environment is enabling them to function reliably in extreme climate conditions, yet their aesthetic design allows for installation inside any office building.KP-11 keypad is constructed out of stainless steel. The piezo technology isallowing the keypads to be activated by user touch, without any moving parts or contacts that may corrode over time. An audible beep and visual indication are generated with each key pressed. The elimination of moving parts is giving these keypads unquestioned dependability.CLICK HERE FOR Honeywell-KP11-specification.pdfRugged Stainless Steel construction.Weather Resistant.Vandal Resistant.No moving parts to wear out.Impact resistant.Status monitoring LED's.Intrinsically safe in explosive environments.Audible and visual feedback5.125 x 3.375 inches (130 x 86mm) size.-40 to 160 F (-40 to 70 C) operating temperature.KP-10, 12 conductors 18 AWG (0.75mm) Shielded cable, 2 of 7 matrix output.KP-11, 5 conductors 18 AWG (0.75mm) Shielded cable, 32bit Wiegand output.