The CLiPtec GZU401 is a four Ports USB Charger Station with massive 30W power output， it can charger four devices at a time including all your smartphone， iPad， tablets， cameras， MP3 players， camcorders etc. It has the latest automatic intelligent detection function by applying digital products charging current to protect you electronics devices. You can use this station in home/office/library/shops/stores etc. Specification: Input Voltage: AC100V- 240V / 50 - 60Hz Max Output Current: 6.0A No. Of USB Port: 4 Ports AC Power Cord Length: 1.2m