Item: B41-1750 
Quickly change the detachable plugs to fit and power any of your portable battery powered devices. Simply plug the DC to DC voltage converter into your cigarette lighter and adjust the voltage output from 1.5 to 12 volts. It operates with cell phones, notebook computers, CD players, battery operated radio's, radios, battery powered TV's, electronic video games, DVD players, MP3 players, radar detectors, GPS navigation devices, satellite radios and more.
Input: 12 volts to 24 volts
Output: 1.5/3/4.5/6/7.5/9/12 (2000mA )
Plug sizes: 4x1.7mm, 5x1.5mm, 1.35x3.5mm, 2.35x0.75mm, 3.5mm
Variable Voltage Output and Variable Plug Adapters.
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