Specification Brand : Wisoqu BulletPoint1 : One instrument used for two purposes, can test both electric and magnetic field radiation stimutaneously. BulletPoint2 : Sound and light alarm: When test result exceeds the value, the instrument will automatically alarm. BulletPoint3 : Data locking: Press one button to lock the radiation value. BulletPoint4 : Radiation assessment: To Remind you of making sure whether the radiation value is in the range. BulletPoint5 : Large and clear LCD display screen for easy reading. IncludedComponents : No ItemName : EMF Meter, Digital LCD Screen with Backlight Electromagnetic Radiation Detector, 0.01-19.99μT Range Household Electric Field and Magnetic Field Tester, 6F22 9V Battery ItemPackageDimensions_Height : 4 centimeters ItemPackageDimensions_Length : 19 centimeters ItemPackageDimensions_Width : 9 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : emf-meters Manufacturer : Wisoqu MeasurementAccuracy : 0.1mm ModelName : Wisoqumnyr0hgiec ModelNumber : Wisoqumnyr0hgiec NumberOfItems : 1 PartNumber : Wisoqumnyr0hgiec ProductDescription : Specification: Model: GM3120 Material: Plastic Color: Shown As Picture Unit: V/m (Electric Field); μT(Magnetic Field) Accuracy: Electric: 1V/m; Magnetic: 0.01μT Range: Electric: 1-1999V/m; Magnetic: 0.01-19.99μT Alarm Threshold: Electric: 40V/m; Magnetic: 0.4μT Display: 3-1/2 LCD Display Test Bandwidth: 5Hz-3500MHz Sample Time: About 0.4 Seconds Test Mode: Dual Mode Synchronous Test Overrange Indication: LCD Displays 1 Working Temperature: 0°~50°C Relative Humidity: Storage Temperature: -10~50°C Relative Humidity: 0~70% Power: 1 * 9V 6F22 Battery(excluded) Size: Approx.12.5*6*3cm/4.9*2.4*1.2in Package Weight: Approx.164g/5.8oz