20PCS Safe 2.5-5.5V Single Channel Touch Button Module Capacitive Switch TTP223 Touch Switch Sensor

Label:Yes AB=11:Self-lock Low TTL level ouput AB=00:No-lock High TTL level ouput Specification: Color: Red Size: 15mm*11mm Power Supply: 2.5V-5.5V AB=10:No-lock Low TTL level ouput Trigger Setting Mode:(1- > Short ; 0- > No Short) AB=01:Self-lock High TTL level ouput Weight: 0.4g/pc Package Included: 20PCS* TTP223 Capacitive Switch