Yeah it can be done if you specifically set out to make a battery-powered camera. You can't just turn a normal car on to standby and have it last long. Especially not if you're running facial recognition on the car's computer.
If you're on a 4 year old lead battery you're going to notice and care if it's drawing a dozen watts all the time, but with an EV you won't even notice a .1 kWh drain.
Yeah it can be done if you specifically set out to make a battery-powered camera. You can't just turn a normal car on to standby and have it last long. Especially not if you're running facial recognition on the car's computer.
If you're on a 4 year old lead battery you're going to notice and care if it's drawing a dozen watts all the time, but with an EV you won't even notice a .1 kWh drain.