THICKNESS GAUGE TYPE: PORTABLE; MEASURING RANGE: 1.8 TO 3.0 MM; 2.8 TO 4.0 MM; SPECIAL WEDGE PER ARRANGEMENT (SPAN APROX. 1 MM); RESOLUTION: 0.005 MM; ACCURACY: 0.02 MM; POWER SUPPLY: 9V BATTERY (RECOMMENDED TYPE: ULTRALIFE LITHIUM); WORKING TEMPERATURE: 15 TO 30 DEGREES CENTIGRADE; INDICATION: DISPLAY; NUMBER OF DIGITS: 4; MEASURING TECHNIQUES: MEASURING SENSOR (MEASURING WEDGE); DIMENSIONS: 40.00 X 100.00 X 210.00 MM; CONSISTING OF 1: MEASURING DEVICE WITH BATTERY AND MEASURING WEDGE, SPARE BATTERY, OPERATING MANUAL, CARRYING CASE; MANUFACTURER / PITSID REFERENCE: GAP GAUGE CONTROL (GMBH)