["brand new and high quality\nFeatures : \n400 p/r (Single-phase 400 pulses /R,Two phase 4 frequency doubling to 1600 pulses)\nPower source: DC5-24V\nShaft: 6x13mm/0.23x0.51\"\nSize: 38x35.5mm/1.49x1.39\"\nOutput :AB 2phase output rectangular orthogonal pulse circuit, the output for the NPN open collector output type\nMaximum mechanical speed: 5000 R / min\nResponse frequency: 0-20KHz\nCable length: 1.5 meter\nNotice:AB 2phase output must not be directly \nconnected with VCC, otherwise, will burn the output triode\nBecause different batches, and may not have the terminal connection:\nGreen = A phase, white = B phase, red = Vcc power supply, black = V0\nApplication:\nIs used to measure the rotational speed, Angle and acceleration of the object and the length measurement\nSuitable for intelligent control of various displacement measurement, automatic fixed-length leather automatic guillotine machines, steel cut length control, civil measured height human scale, Students \nracing robots\nQuantity:1pc\n\n Package includes:\n1 x Encoder 400P/R Incremental Rotary Encoder"]