Features 0~3000mT(milli Tesla)/0~30000G(Gauss) measurement range Taiwan Made quality product Display (LCD) of 5 digits with the displaying value up to 30000 Backlight display Enable and disable auto power off function (default 15 minutes) DATA HOLD MAX/MIN (Maximum hold/ Minimum hold). DC N/S polarity of magnetic field display. Relative / Peak Hold / Real time Zero function Windows 7, 10 and 11 operating system compatible (G / mT, °C / °F) Unit of measurement Auto and manual recording function Comes with USB cable and software for pc connection and data transfer Electrical Specifications: Accuracy is indicated as [% rdg + dgt] at 23°C ± 5°C with RH < 80%. DC milli Tesla Range: 300.00 mT; Resolution: 0.01 mT; Accuracy: ±(4% + 10dgt) Range: 2000.0 mT; Resolution: 0.1 mT; Accuracy: ±(4% + 10dgt) Range: 2000.1~3000.0 mT; Resolution: 0.1 mT DC Gauss Range: 3000.0G; Resolution: 0.1G; Accuracy: ±(4% + 10dgt) Range: 20,000G; Resolution: 1G; Accuracy: ±(4% + 10dgt) Range: 20,001~30,000G; Resolution: 1G AC milli Tesla Range: 150.00mT; Resolution: 0.01 mTl Accuracy: ±(5% + 20dgt) Range: 1500.0mT; Resolution: 0.1 mT; Accuracy: ±(5% + 20dgt) AC Gauss Range: 1500.0G; Resolution: 0.1G; Accuracy: ±(5% + 20dgt) Range: 15,000G; Resolution: 0.1G / 1G; Accuracy: ±(5% + 20dgt) Temperature Range: -20~50°C (-4~122°F) Resolution: ±0.1°C (±0.1°F) Tolerance: ±1.0°C (±1.8°F) Set comprise with: 1 x Magnetic Field Meter 1 x AC/DC Magnetic Probe 1 x USB Cable Instruction Manual 6 x 1.5V (UM4/AAA) Battery 1 x Power adapter DC 9V