Do not buy the box it is faulty. My son had a previous box with another company for a year and averaged 80% which is considered excellent driving. He took out Hastings smart miles 6 months ago and within a couple of weeks he had a warning that he'd dropped below 40 points. We complained to the company and suddenly his score went up although the individual scores stayed the same. Last week his individual scores - acceleration., speed, braking and time of day all went up but his overall score dropped fromy 50 to 38. So his policy will be cancelled. It cofirms the boxes must be faulty. How is this company allowed to get away with ripping youngsters off?