Sensor Mounting Brackets: Bracket Type - Photoelectric Sensor Mounting; Shape/Configuration - 90-Degree; Bracket Mounting - Fixed, (2) Hole; Material - Stainless Steel; Dimensions - 0.79x1.73"x1.57"(20x44x40mm); Use With - PICO-GUARD SFA-RD; Additional Information - Side-Mounting Bracket, Eliminates Need For DIN rail