Hi as a professional minded driver , see the essential need to have a govt approved camera installed in car to defend against vexatious and / or malicious complaints , by riders. Trouble is I have the model numbers of the cameras , but can not find anywhere on google , the company that installs them in Qld.
You stick them on your window with suction cups and power them with a USB charger usually. No real installation per-se. If you're in Brisbane and had the equipment, I'd do it for you.
Link to more information on pre approved camera models and applicable legistlation in QLD: https://www.tmr.qld.gov.au/business.../Taxi/Personalised-Transport-security-cameras