A laser rangefinder is a device that measures the distance to an object using laser light. It emits a laser beam that reflects off the target and returns to the device. By calculating the time it takes for the light to travel to the object and back, the rangefinder can determine the distance accurately. These devices are commonly used in various fields, including hunting, construction, and surveying. They are favored for their precision and ease of use compared to traditional measuring tools like tape measures. Many modern laser rangefinders also include features like angle measurement and area calculation.