The successor product on the company's site uses a 12 volt, 2 amp power adapter: https://www.bee-link.net/products/t4-pro
Here is a YouTube review of the linked model with input power listed at 12 volt, 1.5 amp (link to timestamp of bottom of unit): https://youtu.be/56UA2Uto1ns?t=129
The successor product on the company's site uses a 12 volt, 2 amp power adapter: https://www.bee-link.net/products/t4-pro
Here is a YouTube review of the linked model with input power listed at 12 volt, 1.5 amp (link to timestamp of bottom of unit): https://youtu.be/56UA2Uto1ns?t=129