The Digital Laser Photo Tachometer is a non-contact RPM meter designed to accurately measure the rotational speed of motors, fans, shafts, and other moving parts. Using a high-intensity laser and photo-sensor technology, it provides instant, precise readings from a safe distance. Ideal for mechanical maintenance, automotive repair, and industrial inspection, this compact tool offers a wide measurement range, memory function, and backlit LCD display for easy readability in all environments.