Features:
Can be inserted directly into due,Ideal for linking up to your Breadboard banana pi etc,or others MCU PLD CPU ( AVR STM32 ARM C51 NRF24LE1 CC2530 MSP430 STM8 FPGA CPLD etc.) 4-button Common Cathode key module(When pressed output low level). GND K1 K2 K3 K4" 4 PIN OUT 2.54mm
Adopted of electronic components, and precision process, ensure for the durability

Specification:
Working voltage: DC 0-48V
GND K1 K2 K3 K4" 4 PIN OUT 2.54mm
Size:12.7*33mm/0.5*1.3in
Weight: Approx.3g/0.1oz

Package list:
1 x 4 Button Key Modulevalve【2.54MM PIN OUT】--- The 1x5 array 5 key membrane switch is GND K1 K2 K3 K4"4 PIN OUT 2.54mm
【4 Button Module】--- This is a 4-button common cathode button module (when the output is low)
【Multiple Usage】 --- This 1x5 array 5 key membrane switch can be directly inserted into it is very suitable for connecting to your breadboard banana pi, etc., or other MCU PLD CPU (AVR STM32 ARM C51 NRF24LE1 CC2530 MSP430 ) STM8 FPGA CPLD, etc.)
【Durability】 --- 4 Button Key Module high-quality electronic components and precision technology, the 4-key keyboard module has long life and good durability.
【Wide Application】--- Time delay relay module is suitable for automatic modification, motor control, bulb, string, micro pump, solenoid