A Thatcham unit refers to the safety item that has been analyzed and Licensed by Thatcham Research. This might include alarms, immobilisers, or trackers built to avert theft. Certification indicates the device fulfills strict criteria and it is dependable by insurers. An alarm functions as an extra layer of security https://medium.com/@trackerfit11/why-choosing-a-thatcham-tracker-strengthens-vehicle-security-6b79d8a9c256