9V DC Power Adapter 2A with an original 5.5mm x 2.5mm compatible with 5.5mm x 2.1mm DC Tip and the Polarity is Center Side is Positive +, The Outside is Negative -. What you get:1 x DC 9V 2Amp Power Adapter, and 1 Reverse Polarity Converter Cable.
This product would be ideal for those who need a high-quality AC-DC power supply adapter, specifically for a DC 9-volt 2-amp power cord, offering reliable and safe power transmission.