Membrane Switch 20 Key 4x5 Matrix Array Keypad Keyboard Control Panel Microprocessor Keyboard Controller for Arduino 

Panel Size: 75*85mm. Length: 18CM. Insulation Resistance:100M Ω 100V. Withstand Voltage:250V Rms.(50-60Hz lmin) Storage Temperature: +15°- +35°. Storage Humidity:70-90.

4,000 RWF