Ujjdwiurgh 60Pcs TTP223 Touch Sensor Touch Button Module Self -Lock -to -Point Capacitance Switch Unilateral Transformation, Easy to Use

This is a very useful addition for projects or applications where traditional mechanical buttons or switches are not a perfect choice. The touch key switch module provides stable human touch detection, replacing traditional direct switch keys. The touch button capacitive switch module can be installed on non-metallic materials such as plastic and glass surfaces. As long as the touch position is correct, it can be hidden on walls, desks, etc.