You can charge 4 cell phones quickly and use 6 AC outlets. It's compatible with all Qi certified devices. You can charge your cell phone by setting your phone on the top of the tower. If the breaker trips turn it upside down and click the red button. It has a 6.5ft heavy duty retractable cord. You can roll up the cord by rotating the power strip tower. The power tower is 7" x 5.7". You will have a lot of protection with your tower such as, Overload Protection, Surge Protection, Lightning-proof Protection, Temperature Control, Short-circuit Protection and you have Fireproof Protection.