The Major Tech Non-Contact Tachometer measures rotating speed accurately without physical contact, using a built-in laser spot for precise targeting at distances of 50–500 mm. It delivers RPM readings from 2 to 100,000 with 0.1 RPM resolution on a 5-digit backlit LCD, and includes 40 reading memories, Min/Max tracking, and Auto Range for versatile operation. Ideal for electricians, technicians, mechanics, and maintenance professionals who need fast, reliable tachometer readings on motors, fans, pumps, and machinery.