محول تيار متردد/تيار مستمر 30 واط، 3 فولت 4.5 فولت 6 فولت 9 فولت 12 فولت مع 6 رؤوس للالكترونيات المنزلية (نوع القابس: بريطاني)، لمكبرات الصوت، أسود

[IMPORTANT] The polarity of switching power adapter is irreversible.
DC Plug Polarity: inner Positive(+), outer Negative(-).Polarity is irreversible.The Polarity is not compatible ALL Devices. Some musical device requires inner Negative and outer positive (totally opposite), please check carefully before buying.
[Choose Correct Voltage before Powering] Small household appliances usually don't have circuit protection, if with the wrong voltage, may damage your device. It is important to choose the right voltage before powering your device. If your device use Alkaline battery AA or AAA , then each piece is 1.5V, 2 piece choose 3V, 3 piece choose 4.5V, 4 piece choose 6V, etc For the voltage selector, you adjust it using the provided key

How to USE:
Connect the correct adapter tip and make sure that it's firmly attached to the dc input port of your device.
Set the right DC output voltage. There are 7 options for you, DC 3V/4.5V/5V/6V/7.5V/9V/12V.
Connect the adapter to the electrical socket.
Now you can power up your device!

Friendly Reminder:
Not compatible with laptop or other over 30W high power equipments.
AC Adapter is not equal to a Battery Charger; Please turn off Your battery devices when it is charged and Don't charge it for more than the specific charged time.
Compatible for:

3V, 4.5V, 5V, 6V, 7.5V, 9V, 12V Household Electronics, Scales, Routers, LED Strip Lights, USB Charging Camera, electronic gizmos, replacing charger cords, rowing machine, Tablet PC and other device.