The ISU-6521WL is a multi-socket extension box designed for safe and convenient power distribution at home or office.It features multiple AC sockets, a long durable cable (about 3 meters), and surge protection to help protect devices from power fluctuations. It also includes a master switch for easy on/off control and a strong flame-retardant body for safety and durability.Overall, it is built for charging and powering multiple devices at once in a safe and organized way.