Unique 3 Side Design Power Strip: the Surge Protector with 6-foot Heavy Duty(1875W/15A) extension cord composed of 4 sets of 3 sided outlets, compact size of12.2*2.2*2.2 Inch. Use 8-12 large adapters or 18 standard plugs. Widely use on smartphones, Tablets Home,Office, Hotel. Surge Protector outlet: The 18 AC outlets provide surge protector against electrical spikes. Three complementary Surge Protection Circuits, TVS(transient voltage suppressor) MOV(metal oxide varistor) GDT(gas discharge tube), with response speed less than 1Ns, and minimum energy-absorbing capacity of 1680 Joules, its response time is much shorter than the single MOV surge protector circuit, It truly provides great protection of your precious plugged-in devices Smart Charging USB Ports: Build in smart charging technology, This USB charger will detect your devices automatically and deliver the fastest charge speed up to 2.4A ( 5V/2.4 Max Each Port ), 3 USB ports ( Total 5V/3.4A/17W) can charge almost any USB device (smart phone, tablet, Amazon Kindle, fire stick, e-reader, blue tooth headphones, portable speaker etc)? capable of fully charging 2 iPhones within 2 hours simultaneously, and 3 cell phones in less than 3 hours. Safety and Certificate: ETL safety certified, with extension cord and other major components certified by UL. The over current protection switch limits the power strip's working current to certain setting, so it will not get hot during usage. Environmental protection and fire-resistance PC shell with flame retardant at 1382? makes it more durable and longer lifetime. LED grounded indicator light shows it?s safe to use. Our After Sale Service: Our friendly and reliable customer service will respond to you within 24 hours. You can purchase with confidence, with our 30-day return and 12-month replacement .