Package included:<br />1 x Car Cup Holder USB Charger<br />1 x English User Manual<br /><br />Features:<br />1.This is a dual USB car charger with 2 way car cigarette lighters・it extends to two cigarette lightersoriginal car cigarette lighter・and have the same voltage as the car.<br />2.The product built-in 2 USB which output is 60mA-3000mA・it can charge mobile・MP3・camera and other digital devices.<br />3.The max output power is 120W・can work with most digital products.<br />4.Detect the output voltage of the USB interface・ to ensure the safety of charging<br />5.Built in buzzer・ when the battery voltage beyond the normal range・ the buzzer will alarm<br /><br />Specifications:<br />1.Input:DC 12-24V<br />2.USB Output:DC 5V・3.1A<br />3.Dual Cigarette Lighter Power:120W<br />4.Voltage Detection Range:6-30V<br />5.Smart Current Output Range:60mA-3100mA<br />6.Cable length:100cm<br />7.Color:Black・Blue