Sensor Mounting Brackets: Bracket Type - Photoelectric Sensor Mounting; Shape/Configuration - 90- degree; Bracket Mounting - 2 x Holes; Sensor Mounting - 4 x Curved Slots; Material - Steel, 11 Gauge; Dimensions - 2.25x0.96x2.10" (57.2x24.6x53.5mm); Use With - High Resolution Mini -Array; Additional Information - Black Corrosion-Resistant Zinc Chromate Finish; Manufacturer Series - Mini-Screen