This Fawn Saver Lite -mounted on your mowers- will protect deer from getting hit by mower blades. Due to the mountage wide ahead of the mower, the NIR sernors will detect fawns and (in real-live) stop the tractor imidiately. Main unit is available in 2.0m, 2.5m, 3.0m and 3.5m. ColorMat 0, 1 and 2 adjustable.)