?Certificate and Warranty?The usb extension cord power strip is rated 125VAC, 10A, 60Hz, 1250W. Certified by ETL. Indoor Use Only. We have a 15-month warranty, and our friendly customer service will reply your correspondence within 24 hours. ?Multi Safety Protection? ETL Certificates. This power strip has overload protection, short-circuit protection, over current protection, over-voltage protection and overheating protection. Environmental protection and fire-resistance PC shell with flame retardant at 1382? makes it more durable and longer lifetime. ?Convenient & Portable?6 Ft extension cord makes it more flexible, get easy access to place that's hard to reach, and easily extending the portable power panel to other places where you need a power outlet or USB charging port. Compact and lightweight, easy to carry and best for travel. ?3 Individually Controlled Smart Outlets? The 3 individually controlled smart outlets can be controlled connected devices from anywhere with the BN-LINK Smart app. And you can also use voice commands with Alexa, Google Assistant to control them. ?Fast & Smart Charging? The Power Strip with 3 USB provide 30W max charging current in one USB C port at a time, 18W max charging current in one USB A port at a time and total 5V/3A output in multiple ports. Build in smart charging technology, This charging station can auto-detect your devices and seek to maximize the fastest possible charge speed.