Technical Data:
Measure height difference of two surfaces
Range: 0~+/-20mm/0~+/-0.8"
Resolution: 0.01mm/0.0005"
Accuracy: +/-0.02mm
Non waterproof
Buttons: on/off, zero, mm/inch
Automatic power off; move digital unit to turn on power
Battery: CR2032
Made of stainless steel
Type: A
Built-in wireless

Dimensions:
Reference dimension=128mm
Spherical radius=SR0.2mm
Angle=30deg
Reference dimension=12mm
Reference dimension=4mm
Reference dimension=3mm
Reference dimension=20mm
Reference dimension=14mm
Reference dimension=3.8mm

Optional:
Wireless receiver 7315-2/3/6/7/8/9 is needed