Security-01 DC 9V 0.5A 500mA Power Supply Adapter, Connector 5.5mm x 2.1mm, Center Positive

Security-01 DC 9V 0.5A 500mA Power Supply Adapter, Connector 5.5mm x 2.1mm, Center Positive

Input voltage: AC 110-240V, 50-60Hz. Output voltage: 9V DC, 0.5A. DC Connector Size:5.52.1mm Length of DC line: 2.0m Please note: this 9V 0.5A power supply polarity is center or tip is negative (-), sleeve is positive (+) (not suitable for Arduino UNO R3, Arduino Mega 2560 / Nixie Tube Clock with Center POSITIVE).

Product Features

• Input Voltage: AC 100-240V 50/60Hz, Output: DC 9V 0.5A (500mA), Connector Size: 5.5mm x 2.1mm, Cable Length: 2m
• PSU Polarity: The centre is Positive (+) and the sleeve Negative (-), note that this power supply is only compatible with certain devices that use a medium positive polarity, as shown in the list below
• Works with UNO R3, Mega 2560, as well as other devices that require a 9V medium positive power supply
• Not suitable for: effects pedals, piano keyboards and other devices with centred negative power connectors
• Plug size 5.5mm x 2.1mm, if the socket size of your device does not match the size, then this power adapter will not fit your device
• Product usage instructions: 1, Select the appropriate adapter plug for your device - this product has a plug size of 5.5mm 2.1mm. 2. Check the input voltage (9V) and current requirement (0.5A) of your device. 3. Make sure the polarity of your device has a medium positive configuration (+)