hi, has anyone ever considered back up sensors in lieu of the camera?
seems like a cheaper solution.
http://www.12voltdirect.com/product.aspx?prodid=BAT-2W
hi, has anyone ever considered back up sensors in lieu of the camera?
seems like a cheaper solution.
http://www.12voltdirect.com/product.aspx?prodid=BAT-2W
A four sensor system would be best.