Features: Introducing the TTP223 Capacitive Touch Sensors Module with selflocking/momentary mode, delivering reliable touch control and low power consumption (DC2.5V-5.5V ) for seamlessly electronic integration. Featuring adjustable sensitivity via potentiometer, and compactly PCB design for simplified wiring in diverse circuit applications. Ideal for electronics enthusiasts, educators, and DIY makers seekings responsive touch solution in prototyping and interactives projects. Perfectly suited for home automation systems, classroom robotics kit, and customs touch controlled devices like lamp or security panel. This plugs and play module combines user friendly operation with durability capacitive technology, eliminating mechanical wear for long terms reliability. Specifications: Component:PCB Size:Approx.1.4x1.4cm/0.55x0.55inch Option Type:2pc,5pcs; Capable of Mode: Jog, SelfLocking Supply Voltages:2.5-5.5v Penetration Distance:6mm TTP223 Capacitive Touch Sensors Module Package Includes: Package A 2pcs switches Module Package B 5pcs switches Module note: Please allow 1-10mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.