A vehicle flood flotation raft is comprised of a bottom panel member, a top panel member hermetically joined to the bottom panel member to form a hermetically sealed air chamber and an air valve is used for filling the air chamber with air. A film is provided comprising a first electrode and second electrode in the same plane, and an electrochromic region and electrolyte region laminated in this plane. The device has a sensor portion disposed thereon. In another embodiment, the camera sensor further includes a reversible adapter configured for being attached to a camera and positioned on a sensor housing in opposite orientations. Then checking for consistent results is performed.