20pcs 2.5-5.5V TTP223 Capacitive Touch Switch Button Self Lock Module

Features 1 Size 15 11mm2 Power 2 5 5 5V3 Trigger setting mode 1 Short 0 No Short AB 00 No lock High TTL level output AB 01 Self lock High TTL level output AB 10 No lock Low TTL level output AB 11 Self lock Low TTL level output Package included 20 x 2 5 5 5V TTP223 Capacitive Touch Switch Button Self Lock Module For