ZnDiy-BRY 1 x 4 Key Slim Matrix Membrane Switch Control Panel Keypad Keyboard - Black + Blue (5 PCS)
Mount Style: Self-Adherence Pad; Size: 69 x 20mm; Cable Length: 4.2 inch / 106mm (include connector); Connector: Dupont 5 pins; Mount Style: Self-Adherence; Max. Circuit Rating: DC 3.5V 100mA 1W; Contact resistance: 10~500 ohm; Insulation Resistance.: 100M ohm 100V Electric shock jitter: <5ms; Life Expectancy: 1 million times; Operation Temperature: -20'C to +40'C; Storage temperature: -40'C to +80'C; Storage Humidity: 70%~90%