DT-2236C PhotoTachometer

Features:
5 Digits LCD Display
contact & non contact laser type bathTachometer
contact Range 0.5 to 19999 RPM (m/min)
Non contact Range 2.5 to 99999 RPM
Basic function :
Range
Detector type  laser contact Combo
Speed Measure Range   2.5~999.91000~99999
Speed Line Measure Range    0.05~99.99  100.0 More
Resolution      0.1RPM/1RPM  0.01M/min, 0.1M/min
Accuracy   ±(0.05%+1d)
Laser/photoelectric Measure Range 125px~1500px  
Express function :
Display   5 digital LCD display, thesubtitles 10mm  
Max/Min/last data refer    yes
Auto poweroff             yes
General Features :
Standard Accessory      
User's Manual,Gift box,
reflective paper (9 centimeters x2), taperedadapter, funnel-shaped adapter, wire- speed ferry.
Battery Type AA1.5V×4