1. Sensor Stretching Design, Convenient and Fast to Stretch and Retract as Needed 2. Integrated Design, No Need for External Probe, More Convenient and Faster 3. High- Hall Sensor, Accurate Measurement and Good Stability 4. Good Stability While Ensuring Accuracy 5. Automatic Zero Calibration, Fast and Accurate, Data Storage Unit Switching, Chinese and English Bilingual Widely Used, Suitable for a Variety of Measurement Scenarios Automatically Detect the Magnetic Poles. The Screen Displays "S" For the South Pole and "N" For the North Pole. There Is a Magnetic Field Strength Bar on the Detection Interface. Blue Is the South Pole and Red Is the North Pole. Name: Gauss Meter Range: 0-25000gs Sensor: High- Hall Sensor Magnetic Field Resolution: 0.01gs / 0.01mt Measuring Range: 0~25kgs / 0-2500mt Battery Life: 16 Hours (Continuous Working Mode) Working Temperature: -20℃~60℃ Charging Interface: Type-C Interface Host Size: About 136mm x 56.3mm x 22mm (Except the Probe) Data Storage: Built-In 50 Sets of Data Storage, No Loss in Power Failure Host Weight: About 100g ([±1]First level accuracy) Color: As Shown Material: Metal+Plastic Package Contents: 1 * Magnetic Field Tester Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.