Fangrui Product Details With High Sensitivity, Low Drift Hall Sensor, And The Application Of Advanced Digital Signal Processing Technology. 0-2000mt (20000gs) Wide Measurement Range. 2 Magnetic Field Units For Conversion: Mt (), Gs (gauss), 1mt=10gs. With Automatic Range Switching, One-click Zero, Maximum Value Retention Function. Digital Screen With Backlight Enhances Reading Experience No Matter In The Day Or At Night. Battery Powered (not Included), Low Power Consumption. Energy-saving, About 5min Automatic Shutdown Function.compact And , Easy To Carry With A Plastic Box. Comes With Standard Radial Hall Probe. Accuracy Level: Zmst-5: Level 5: 2. (0-1000mt), 5. ( 1000-2400mt) Auto Range: 200mt (2000gs), 2000mt (2000gs) Load Division Value: 0.01mt (1gs), 0.1mt (1gs) Power Supply: 9v 6f22 Battery (not Included) Working Environment: 0-50 20-rh Without Condensation Storage Environment: -20-70 Rh Without Condensation Item Size: 160 X 75 X 34mm / 6.30 X 2.95 X 1.34inch Probe Length: 17cm / 6.69inch Wire Length: