I have a Garmin Drive Smart 61 and a BC30 WiFi camera.
It doesn’t look like the 61 model is still be marketed but there are equivalents
Garmin delivers full-featured GPS navigation for cars and caravans, dash cams and wireless reversing cameras.
buy.garmin.com
and here are the ‘back up’ cameras as they market them
Get peace of mind on the road. Garmin dash cams & wireless reversing cameras equip you with clear vision, secure footage, effortless parking.
buy.garmin.com
It’s all good quality, the satnav maps are very good, I’ve travelled extensively over Europe and no issues.