This is a superior multifunction indicator.
The ABSOLUTE Digimatic Indicator ID-F offers you the following benefits:

• 2-colour LCD backlight (green and red) provides you with visual GO/±NG
  tolerance judgment and analog bar-graph display.
• You can display the maximum, minimum, or range (runout value) during
  measurement.
• External power supply via AC-Adapter.
• Multi-functional.
• GO/ENG judgment function: If a judgment result shows an out-of-tolerance condition, the display backlighting changes from green to red.
• An analog bar indicator has been integrated to make upper/lower limit and turnover point reading more comfortable.
• The ABS (absolute) scale restores the last origin position*1 automatically when the indicator is turned on and realizes high reliability by eliminating over-speed errors. 
• Easy-to-read large LCD readout with a character height of 8.5 mm.
• External power supply type: an AC adapter is a standard accessory. Does not require battery replacement.
• The resolution can be switched between 0.001 mm/0.01 mm (or 0.001 in/0.0005 in/0.0001 in/0.00005 in).
• Equipped with a data output port that enables incorporation into measurement networking and statistical process control systems.

Please Note that Product may differ eg. colour, size from the product Image displayed on website. Kindly check the specifications provided to make better purchase decision.