The Onlywin power strip model ZN-0G4A-K has four E/F type electrical sockets, each with its own on/off button. It also includes four USB ports, including port USB-C, allowing for device charging with a maximum power of up to 20W. The casing is made of white plastic, and the power cord is coiled with a grounded plug. This device is designed to distribute electrical power to multiple devices simultaneously and to charge electronic equipment through the USB ports. Each socket can be turned on and off independently, promoting energy savings and user convenience. The power strip is rated for 100-250V voltage and up to 16A current, ensuring safe operation in standard home and office conditions. Product specifications: - 4 E/F type electrical sockets with individual buttons - 4 USB ports (including USB-C) with a maximum power of 20W - Coiled power cord with a grounded plug - White plastic casing - Maximum power 4000W/16A - Certifications CE, FCC, RoHS.