2Pcs 4x4 16 Keys Matrix Array Membrane Keyboard & 2Pcs 4x5 20 Keys Matrix Array Membrane Keyboard for Arduino Microcontroller, with 30Pcs Multicolored Dupont Wire, 34Pcs Kit

Description: 4*4 keyboard size: 69.2*76.3mm / 2.72*3Inch 4*4 Cable size: 85*20.3mm / 3.34*0.79Inch 4*4 interface: 8-Pin access 4*5 keyboard size: 85*73mm / 3.34*2.87Inch 4*5 Cable size: 105*22.8mm / 4.13*0.89Inch 4*5 interface: 9-Pin access Circuit rating: 35V (DC), 100mA, 1W Contact resistance: 10~500 (depending on the lead length, different from the material used) Insulation resistance: 100M 100V Dielectric strength: 250VRms (50~60Hz 1min) Life: Tactile type: one million times Switch stroke: touch type: 0.6~1.5mm Mechanical properties Working pressure: Touch: 170~397g (6~14oz) Working temperature: -20 to +40 degree centigrade Multicolored Dupont Wire: 10pin Male to Female, 10pin Male to Male, 10pin Female to Female Package includes: 2Pcs 4x4 16 Keys Matrix Array Membrane Keyboard & 2Pcs 4x5 20 keys Matrix Array Membrane Keyboard & 30Pcs Multicolored Dupont Wire (10pin Male to Female, 10pin Male to Male, 10pin Female to Female) Note: Due to the manual measurement,there may be small deviations. The color may have different as the difference display,please understand.Thanks!