1. This smart touch dimming control sensor switch can be used on wood (such as kitchen cabinets, wardrobes, closets, etc.) or behind glass mirrors. It's compatible with DC 12V LED lights and is flexible and can be attached anywhere for easy installation. No drilling required! 2. The touch sensor can sense the following media: wood, rock, stone, paper, acrylic, plastic, glass, and other non-metallic conductive materials. 3. Touch Distance: Sensors of different thicknesses have different sensitivity levels. Thinner is better. Avoid contact with metal surfaces to avoid interference. Type: Hand-Sweep Stepless Touch Dimmer Switch Voltage: 12V - 24V Maximum Load: 5A 12V / 3A 24V Wood Penetration Range: less than equal 20mm Color: B:White Material: Pc Package Contents: 1 x partition sensor module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.