Safety protection design Inflaming retarding plastic housing; 1. Easy access to one port of outlet or power strip offer four charging ports eliminate the need for multiple chargers and outlets; 2. Premium high power Enabled Allow a full speed charging or powering for 4 devices at the same time. 3. 5V 2.1A Charging port Enabled for IPAD tablet PC or other high power required devices; 4. 5V 1A Enable for IPHONE cell phone and USB Powered Devices; 5. Output: 5V 1A x 3 & 5V 2.1A x 1; 6. Input: AC 100~240V 50/60Hz; 7. Compatible Devices: IPHONE / IPAD / Cell Phone / Tablet PC / Camera / MP3 / MP4 / GPS