Ubee Switching Adapter DSA-12G-12 AUS AC/DC Adapter 12V 1A
Unsure what this power adapter originally paired with, but these power supplies are commonly used with many devices. Adapters are lightly used, if at all, and were tested with voltmeter.
Input: 100-120V ~ 0.3A 50-60Hz
Output 12V -- 1A
Polarity: Positive