Be used for gear rotation speed measurement Combining the advantages of stable signal, wide range of operating temperature, small size, simple assembly, etc It covers a wide range of measurement, and it is to measure the zero rotation speed Output signal: sine wave Signal duty factor: 47+/-5% Inductance distance: less than 1mm Connecting way: two wires connecting Protection rank: IP67 Sensor Type: Magnetic Induction Type: Rotation Speed Sensor Operating temperature: -30-85 Celsius Thread Type: M16 colour:Golden Material:Aluminum alloy Package Contents: 1 x Tachometer sender Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.