4×5 20 Key Matrix Membrane Switch Keypad Keyboard

1. Panel Size: 75 * 85mm.

2. Length: 18CM.

3. Insulation Resistance: 100M 100V.

4. Withstand Voltage: 250V Rms. (50-60Hz lmin)

5. Storage Temperature: + 15 ° – + 35 °.

6. Storage Humidity: 70-90.