The Digipower ACD-10P is a 10 Port USB Charger with InstanSense technology built in. InstaSense automatically senses the power requirements of any smartphone or tablet and delivers the fastest possible charge. InstaSense technology on each port allows optimal charging for up to 10 devices. 5 switchable high power ports let you charge tablets even faster. Extra-long power cord for easy placement and use. Advanced protection to safeguard against: over voltage, over current & short circuit. 1 Year Warranty.