VT-ER3 5-in-1 Electromagnetic Radiation Detector Comprehensive Radio Frequency Electric Field Magnetic Field Strength Temperature Humidity Tester with Customizable Settings Name: Electromagnetic Radiation Detector Model: VT-ER3 Material: plastics Color: black, white (optional) Battery: 1 * 2000mah battery (included) Display size: 2.8 inch Charging mode: 5V type-C   Parameter display ranges: Electric field strength: 0-999.9v/m Magnetic field strength: 0-999.99μT Radio frequency/KF density: 0-999.99mw/㎡ Temperature: 0-70℃ Humidity: 0-99%RH   Frequency ranges: Electric field strength: 20Hz-100MHz Magnetic field strength: 20Hz-1MHz Radio frequency/Power density: 50MHz-5G Hz   Detection accuracy: Electric field strength: 0.1v/m Magnetic field strength: 0.01μT High frequency/power density: 0.01mw/㎡ Temperature: 1℃ Humidity: 1%RH   Item size: 125 * 67 * 35mm / 4.92 * 2.64 * 1.38in Item weight: 225g / 7.94ounce Package size: 160 * 100 * 42mm / 6.30 * 3.94 * 1.65in Package weight: 247g / 8.71ounce