Intelligent Poping Up Lifting Socket Automatic Retractable Power Socket Kitchen Table Electrical Socket for Meeting Room Kitchen Item Type: Lifting Socket Unexpanded Size: Approx. 189x150mm / 7.4x5.9in Specification: 3 Socket And 2 USB Rated Output: 16A Maximum Power: 4000W USB Output: DC 18W Wireless Charging: QI, 15W Environmental Temperature: -20℃ - +50℃ Opening Diameter: Approx. 125mm / 4.9in Desktop Countertop Thickness: Approx. 8mm-60mm / 0.3in-2.4in APP: for Tuya, for Smart Life WiFi: 2.4G WiFi Shell Material: Aluminum Alloy LED Brightness: Third Gear Brightness Adjustment Protection Function: Overload Protection, IP65 Waterproof Switching Mode: Master Control Control Mode: WiFi And TouchApplication Scope: Desktop, Countertop, Wardrobe, Office, Conference Room, Kitchen, Island Platform, Living Room, Bedroom, Hotel Installation Instructions: Stone Countertop (Including Marble, Ordinary Glass, Vitrified Bricks, Ceramics, Granite, Microcrystalline Quartz, Etc.): It is recommended e sintered diamond sand hole opener. Wooden Countertops (Including Wooden Boards, Artificial Boards, Gypsum Boards, Plastic Boards, Iron Sheets, Etc.): It is recommended e a bimetallic hole opener.