12 IN 1 Power Strip with USB- The 3-side power strip with 8AC widely outlets and 4 USB charging ports(Total 5V/3.1A) can power up to 12 devices simultaneously. With built in Smart IC technology, the usb port can auto detect and deliver appropriate current to your devices, each port up to 5V/2.4A max. The surge protector with overload protection protects your electrical appliances from lighting, surges or spikes. The minimum energy-absorbing capacity of 900 Joules. Lighted on/off switch with integrated circuit breaker for overload protection of all outlets.(The "Surge Protected" indicator light on to show your devices are protected)