This 24V high-quality replacement power adapter is compatible with the Dymo LabelWriter 310 Label printer.
The plug fits a US 2-pin wall power socket.
This power adaptor is designed to meet the power specification of the LabelWriter 310 Label printer referred to here - it is the correct voltage, amperage and tip size.
It meets and exceeds all US safety standard, features overvoltage, overcurrent and short circuit protection to protect your device