Vaisala Remote Road Surface State Sensor DSC211 measures road surface state, layer thickness, and grip. M12 cable to connect DSC211 and EGW501, labeled DSC/DST Cable adapter Mounting bracket 4‑mm ball‑end Allen key of 150 mm (6 in) in length (included) 5‑mm Allen key (included) Laser distance meter with incline measurement capability (not included)