The Velodyne HDL-64 sensor is designed for obstacle detection, mapping, and navigation for autonomous cars. It can give us 360-degree view laser-point cloud data with a high data rate. The range of this laser scan is 80 to 120 m. This sensor is used for almost all the self-driving cars available today. A list of Velodyne sensors available on the market can be found at http://velodynelidar.com/products.html.
Here are a few of them:
Figure 9: Some Velodyne sensors