HS-MP200 - 4 x 6” (10.2 x 15.4 cm) HS-MP300 - 8 x 6” (20.5 x 15.4 cm) HS-MP400 - 12 x 6” (30.7 x 15.4 cm) -HS-MOD001-BKT 4 x 6” (10.2 x 15.4 cm) required to mount -HS-VM1100 HS-HUB100-BKT 8 x 6” (20.5 x 15.4 cm) required to mount -NH8100 HS-BB100 Battery mounting bracket (right side) -HS-BB101 Battery mounting bracket (left side) -HS-MP500 Universal Mounting Plate 14.25" wide x 14.25" high x 4"