For the most cost-effective and practical solution, you must think carefully about how you intend to use the Radar Speed Sign, so you can choose the right one for your community!Stationary Use: this radar is permanently installed on a site that needs ongoing monitoring of traffic speed. For example, this is a good option to protect the area around a school or to make the entrance to the town safer.Portable Use: this radar can be moved from time to time (e.g. quarterly to secure several areas of the municipality) or shared between several municipalities.These two types of radar are available in solar and electric versions, as well as a double power supply. The solar-powered version can be placed on a dedicated post.It should be noted that only a qualified electrician can install the electrical version.Ultra-Mobile Use: this radar is designed to be conveniently moved at least 3 times a month. For example, you could move it to different locations for traffic data studies in order to better plan your officers’ deployments. This Radar Speed Sign is generally battery-powered and you can easily install it on existing poles in your community.