• Large 5 digit LCD display is easy to read
• Built-in memory recalls last MAX/MIN value stored
• Autoranging with 0.05% accuracy
• Non-contact measurements from 5 to 99,999rpm
• Use reflective marker on object to be measured and point the integral light beam or accurate readings updated every second
• 2 to 6 inches (50 to 150mm) measurement distance (depending on ambient light)
• Complete with 23" reflective tape, four AA batteries and case