Qisan C40 5A / 4 Port USB Wall Charger Travel Power Adapter for iPhone 4 USB Port Wall Charger, rapidly charging for more devices at the same time. 5A high-power output. Input: 12V~24V DC.Output: 5V / 1000mA The smallest 5A 4 USB connector Wall Charger around the globe. Import chipest, intelligently identify electric current Fireproof PC material, Usage Safe!