Part list Microsoft Sensor Box | Sensor Box 9 @ PGS Cable Gland x4 Installation Guide version Holder x2 ® Hoop x2 ® Screw x4 @ Nut x4 ® Foot pad x4 © © Self tapping Screw x4 ® % Hand screw x4 ® & Battery Holder x2 ® RF Cable x1 @ DuPont Cable x2 Step 2 Tie up two metal holders on a pole with two hoops. Install the box on the holder with 4 screws. Open the sensor box , unplug the battery cable from the ma inboard, unscrew two butterfly nuts on the side of batty box, then take out the battery holder box.