-Measure range: 10-9999RPM-Clear zero: Automatic-Display refresher rate: 3 Times/Sec-Measure indication: RPM-5000, /-2;RPM-5000, /-3-Display: Blue and Green 0.56 inch LED-Response frequency: 100HZ-Tachometer dimension: 79x42x25mm-Panel cutout Dimension: 68x33mm-Sensor Dimension: 12x55mm-Woek power: AC/DC8-24V ?30mA-Sensor wiring: brown-Power ;blue-Power-;black-signal-Operating temperature: 0 to 50C.