belker 12w 3v 4.5v 5v 6v 7.5v 9v 12v adjustable voltage universal ac/dc adapter power supply for household electronics - 1a max. [bn] belker <p></p> <b> belker 12w multi-voltage ac dc power supply adapter cord for 3/ 4.5/ 5/ 6/ 7.5/ 9/ 12 volt 1 amp devices </b> <p></p> <b> power specification: </b> </br> ac input: 100 120 v - 240v 50/60hz</br> dc output: 3 4.5 5 6 7.5 9 12 v volts max. 1a</br> cord length: 150 cm/ 5 ft</br> output polarity: center positive [+]</br> tips: 8 pcs dc plugs <p></p> <b> 8 dc tips spec.:</b></br> 5.5*2.5mm</br>5.5*2.1mm</br> 4.0*1.7mm</br> 3.5*1.35mm</br> 3.0*1.1mm</br> 2.5*0.7mm</br> micro usb</br> led terminal connector<p></p> <b> important note: </b></br> the polarity of dc plug is center positive(+) only, outer negative(-). polarity is irreversible, please check carefully before buying. (***not center negative!***) <p></p> <b>tips:</b></br> not compatible with any over 12w devices.</br> if the required voltage is not in the options, please choose the close voltage. for example, if you device needs 4v 8v 10v, you can choose 4.5v 7.5v 9v etc. <p></p> <b>work with:</b></br> this universal ac adapter power supply is fit for camera, router, tablet, radios, electronic gizmos, replacing charger cords, rowing machine, small water fountain, gps, mp3, webcams, security cameras, cd player, </br> speaker, games consoles, battery-run model, diy projects, led strip, cctv camera, keyboard, omron arm blood pressure monitor, digital photo frame and many other household electronics.<p></p>