STACK Sockets' award-winning and worldwide patent-pending 4-pin connection system offers revolutionary extensibility and flexibility like never before. This surge protector has 4 US AC outlets and comes with a USB charging module, allowing you to plug in up to 5 devices at once. It has a built-in power switch, surge protection, and over current circuit for extraordinary protection to the connected equipment.
- 4 US AC outlets for various types of appliances
- Dual USB charging module for charging two other devices
- 4-pin connection system allows adding other STACK modules (not included)
- Built-in power switch, surge protection & over current circuit breaker for safety