The Mini Contactless Sensor Switch for LED Strips 12-24V DC is connected directly to the 12-24V DC LED Strips. It works in such a way that when it stops detecting an obstacle, such as opening a door, it turns on the LED strip gradually. Features of the Mini Contactless Sensor Switch for 12-24V DC LED Strips The Mini Contactless Sensor Switch for LED Strips 12-24V DC can be mounted on the same profile as the LED strip thanks to its small size. It includes a 3M adhesive that is placed on the bottom of the plate to be able to stick it to the profile. It is widely used to illuminate dressing rooms, wardrobes, drawers, etc.