1、Touch Control Switch: Lightly touch, you can turn on the light, simple and convenient, energy saving. 2、5VDC Low Voltage Power Supply: Standard Type‑c socket, USB power supply, compatible with mobile phone chargers, notebook computers, mobile power supplies, etc., low voltage safety (excluding USB cables). 3、Simple Installation: There is a strong adhesive sticker on the back, no need to drill holes to install, just attach it to a glossy surface to complete the installation, which is very convenient to use. 4、Practical: Simple and practical dimming for interior lights and fixtures in your home. Just touch the touchpad to dim the lighting to create the perfect ambience in any room in your home. 5、Energy Saving: Dim lights to save energy and extend the bulb life of expensive bulbs; allow your eyes to gradually adjust to bright or dark; reduce eye strain and protect your eyes from too bright light; save money and make your home more comfortable. 1 x Switch1 x User Manual Item Type: Touch SwitchProduct Material: ABSProduct Size: Approx.Diameter: 40mm / 1.6inThickness: 10mm / 0.4inPower Supply Plug Specifications: Type-c (Battery Not Included)Voltage: 5VPower: 18WControl: Touch SwitchWeight: Approx.16g / 0.6oz