Description: Modes: jog, self-locking Touch Switch Voltage: 2.5-5.5V Funny DIY Expert, the best chioce for DIY Trigger setting mode:(1->Short;0->No Short) AB=00:No-lock High TTL level ouput; AB=01:Self-lock High TTL level ouput; AB=10:No-lock Low TTL level ouput; AB=11:Self-lock Low TTL level ouput; Size Chart: Module size: Approx. 15*11*5mm/ 0.6*0.43*0.2 inches Package Includes: 1 Piece TTP223 Touch Switch Module (with Pins)