If you don't care if it records, get what I have, it can be powered by recharging it or using the accompanying solar panel, and it's magnetic (removable if you want to recharge it that way).

https://www.amazon.com/dp/B09Z641NXZ?psc=1&ref=ppx_yo2ov_dt_b_product_details

You can buy an additional camera and use the same display.