Tesla meter is a portable, multifunctional magnetic field measuring instrument equipped with high sensitivity, low drift hall sensor, and the application of advanced digital signal processing technology, suitable for measuring surface magnetic field of permanent, remanence of mechanical parts, magnetic separator or iron remover, etc. It can be used as a basic magnetic parameter measuring instrument in magnetic material manufacturers and companies, mechanical manufacturing enterprises, scientific research institute in colleges and universities. Note: 1. The mark on the product is 2500mT for the reason that its maximum measurement range is 2500mT, but for precise measurement it's 2000mT. 2. For more details, please read the user manual carefully. 3. Size and color may be slightly different because of manual measurement and different light conditions. Thanks for understanding. Specifications: Accuracy Level: Level 1/ Level 2/ Level 5 (Optional) Level 1: 1.0% Level 2: 2.0% Level 5: 2.0% (0-1000mT), 5.0% (1000-2000mT) Color: Ivory Material: ABS Auto Range: 200mT (2000Gs), 2000mT (20000Gs) Load Division Value: 0.01mT (1Gs), 0.1mT (1Gs) Power Supply: 9V 6F22 Battery (Not included) Working Environment: 0~50, 20-85%RH without condensation Storage Environment: -20~70, 85%RH without condensation Item Size: 160 * 75 * 34mm / 6.30 * 2.95 * 1.34in Probe Length: 17cm / 6.69in Wire Length: about 1m / 39.4in Item Weight (without battery): 226g / 7.95oz Package Size: 23 * 19 * 5cm / 9.06 * 7.48 * 1.97in Package Weight: 546g / 1.20lbs Package List: 1 * Tesla Meter 1 * Hall Probe 1 * Screwdriver 1 * Plastic Box 1 * User Manual (English)