This is a VASATA brand power adapter, specifically a 9V 0.85A I.T.E. Power Supply with model number MP080005-211.
It features a 3-pin Indian-style plug and is designed for an input voltage of 100-240V, 50-60Hz.
The adapter is compliant with RoHS standards.
Similar power adapters with varying voltage and amperage outputs are available online, often marketed for devices like routers, modems, or other electronic devices requiring a specific DC power input.I am selling it as I don't have it's compatible device.