This is an universal 120W AC/DC DC--DC adapter for popular brand laptop / notebook computers, MP 3, MP4 and digital camera etc which require DC input from 15V, 16V, 16V, 18.5V, 19V, 19V, 19.5V while you are travelling, even in the car. The adaptor features overload and short circuit protection to protect it from damage.

*120W car power adapter & AC power adapter
*With high efficiency and true voltage output automatically (without operation by hand)
*Auto-reset to the lowest voltage (+15V) after current interruption to protect your laptop/notebook computer
*Including 10 connectors for user to change voltage easily
*Different voltage suitable for the most laptops/notebook computers
*New changeable connector design ensures polarity fool proof
*With USB port