Fangrui Product Details Features: Dual 6 Digits Led Display For Clear Reading. Npn And Pnp Sensor Input Is Switchable. Includes 4 Kinds Of Input Mode, 6 Kinds Of Output Mode For Option. Input And Output Is Optional Isolated. Counting Range: -199999~999999; Preset Range: 0.00001-999999. Can Set Alarm Value For Relay Output. Can Be Connected With Encoder, Length Counting Wheel, Proximity Switch, Photoelectric Switch, Optical Sensor, Laser-sensor, Etc. Widely Applied In Chemical, Machine, Light Industry, Etc. Specifications: Model: Fh8-6crrb Material: Abs Color: Black Power Supply: 90~265v Auxiliary Power: 24v Dc Input: Pulse Signal: Square Wave And Sine Wave: 5v?H0v 0?Lv Up Edge Active Input Impedance: 0k Counting Speed: 30/5000cps Response Speed: Switch Type Input 0~5000hz, Incremental Encoder Input 0~2000hz Output: 2 Relay Contact Output Environment Temperature: 0~50storage Temperature: -10~60environment Humidity: 35~rh Insulation Resistance: 0m Power Consumption: W Package Contents: 1 X Counte