Electromagnetic Field Meter * Unit: electric field: V / m (voltmeter); magnetic field: μT (micro Tesla) * Accuracy: electric field: 1V / m; magnetic field: 0.01μT * Range: Electric field: 1V / m ~ 1999V / m; Magnetic field: 0.01μT ~ 19.99μT * Alarm threshold: electric field: 40V / m; magnetic field: 0.4μT * Readings: 3 ~ 1/2 LCD display * Test bandwidth: 5Hz ~ 3500MHz * Sampling time: about 0.4 seconds * Test mode: dual-mode test * Overload prompt: LCD display "1" *Audible alarm * Data lock * Backlight display *Automatic shut-down * Mean and peak values * Low battery prompt * Operating temperature: 0 ℃ ~ 50 ℃ * Operating voltage: 9V * Size: 63.6 * 31 * 125.8mm * Weight: 146g * Power: 6F22 9V battery