The scale reads zero when the car is level, and will show "tilt" up to 25 degrees on each side.
The scale is red beyond +/-10 degrees to denote danger zones.
The SCSI was designed by Slope-Meter in accordance with the specifications of the Minnesota Highway Dept. Traffic Division and is used nation-wide (USA) by highway and traffic engineers.
Accuracy/Resolution: 1 degree
Response: 1 Sec.
Size (app): 25 x 90 x 220mm
Material: Aluminium Casting
Weight (app): 800g