Tactile push button switch is Normally Open switch. The tactile button connects the circuit for the time it is kept pressed and as soon as it is released the circuit is disconnected. The Tactile Push-button has 4 pins. Two pins are connected internally. These Tactile push-buttons features a through-hole design. Its high precision mechanism offers acute operation and long life. It is majorly used as standard input buttons in electronics circuits. Tactile push buttons have a long life, it works fine for more than 300000 cycles. Tactile buttons are waterproof.  SPECIFICATIONS On/Off Function Push to ON Switching Type Tactile Mounting Type Through Hole Contact Material Aluminium Alloy Series TS02 Dimension 6x6mm Switching Type SPST Country of Origin China