[Reverse Polarity] 30W Universal AC DC Adapter Switching Power Supply Selectable Voltage with 9 Tips for 3V 4.5V 5V 6V 7.5V 9V 12V Household Electronics 2000mA 2Amps Output Max

Reverse Polarity
Power Adaptor: Most adapters only have single polarity positive (+) or negative (-) polarity. This SoulBay AC Adapter owns Dual Polarity reversible and changeable.
Versatile POWER SUPPLY: straightforward adjustment for All-in-one multi adapters and multi amp devices solid and well built. Voltage range connector jacks and polarity are Selectable.
WIDE APPLICATIONS: for router speaker monitor camera smartphone led strip piano keyboard effect pedal board and a variety of household electronics require 3 volt 4.5 volt 5 volt 6 volt 7.5 volt 9 volt 12 volt DC output with 2000ma load.
Note: Not compatible with some Sensitive Electronics such as AM/FM Radio.
)SAVES ON ADAPTERS: Own this adapter you could use it for multiple devices and replace a lot old power adapters savings on buying a new electronic device or extra original expensive power supply.
PACKAGE INCLUDES: 1 x 3-12V multi-voltage ac adapter 9 x changeable adapter tips 1 x key and 1 x user manual. Each adapter tip has the clear dimension mark no mess and convenient for you!