1,Lastest 4-in-1 charger: USB car charger + wall charger for iPad. 2,LED indicator shows working status. 3,iPad car ... ~240V,50~60Hz. DC 12~24V2,Output Voltage and Current: Travel Charger: DC5.0±0.25V, 1000±100mA3,Plug Tpye: US, EU ... , or quantity in future production, please refer to update ones. Travel Charger for iphone 4