EARTH GROUND TESTER, CAT SAFETY RATING NOT RATED, DISPLAY TYPE ANALOG, IP RATING IP67, MAXIMUM GROUND RESISTANCE MEASUREMENT 1,100 KILOOHM, MINIMUM GROUND RESISTANCE MEASUREMENT 10 KILOOHM, STANDARDS AASHTO T288, ASTM G187, ASTM G57, BATTERY CHEMISTRY ALKALINE, BATTERY SIZE C, DISPLAY SCREEN TYPE NO DISPLAY, INCLUDES (8) BATTERIES, SHOULDER CARRYING STRAP