20PCS Safe 2.5-5.5V Self Locking Touch Button Module Capacitive Switch Touch Switch Sensor TTP223

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