This capacitive touch switches detects finger touches through up to 2cm of insulating materials like wood, glass, , acrylic and stone panels with precise responsiveness. Works with 3.7V/5V/12V/24V power supplies, supporting maximumly power outputs from 8W to 36W depending on voltages for versatile applications. Choose from A/B/C/D operations types including toggle, reverse control, dimmable or /off modes to suit different usage scenarios. Copper made points ensures durability with none mechanical wear, capable of handling up to 2.5A LED driving current reliably. Ideal for LED strips lighting control, liquid levels , and other projects requiring stable touch sensitive switching.