Includes: Host * 1 English Manual * 1* Unit: field: V / m (volt meter); a magnetic field: μT (micro Tesla)* Accuracy: field: 1V / m; magnetic field: 0.01μT* Range: field: 1V / m ~ 1999V / m; magnetic field: 0.01μT ~ 19.99μT* Alarm Threshold: field: 40V / m; magnetic field: 0.4μT* Reading Show: 3 to 1/2 LCD display* Test Bandwidth: 5Hz ~ 3500MHz* Sampling time: approximately 0.4 seconds* Test Mode: measured with dual-mode* Overload Tip: LCD displays "1"* Audible alarm* Data Lock* Backlit Display*Automatic shut-down* Average and peak* Low power tips* Operating temperature: 0 ℃ ~ 50 ℃* Operating voltage: 9V* Size: 63.6 * 31 * 125.8mm