1、[MEASURING RANGE] The measuring range of the magnetic field detector is 0‑2500mT (25000Gs), and supports mT and Gs magnetic field units. 2、[MULTIPLE FUNCTIONS] Automatic range switching, one key reset, maximum value holding, display backlight and 5 minute automatic shutdown. 3、[HIGH ACCURACY PROBE] The magnetic field tester is equipped with a standard radial Hall probe to ensure high accuracy work, stable and reliable. 4、[WIDE APPLICATION] Applicable to measuring surface magnetic field, residual magnetism of mechanical parts, magnetic separator or iron remover, etc. 5、[PORTABLE DESIGN] The magnetic field detector is handheld design, compact and portable, with low power consumption and high efficiency. Item Type: Magnetic Field Detector Range: 200mT (2000Gs), 2500mT (25000Gs) Scale Value: 0.01mT (0.1G), 0.1mT (1G) Accuracy (Level 5): ±2.0% (0-1000mT), ±5.0% (1000-2400mT) Power Supply: 9V Battery (battery not included) Working Environment: 0℃-50℃, 20%-85%RH, no condensation Storage Environment: -20℃-70℃, <85%RH, no condensation Instrument Size: Approx. 160 x 75 x 34mm / 6.3 x 3 x 1.3in Hall Probe: Standard radial Hall probe, 1 meter / 3.3ft wire length 1 x Tester 1 x Test Head 1 x Screwdriver 1 x Storage Box