Feature:1. 3 in 1 Tester: This EMF meter is capable of testing electric and magnetic fields as well as temperature, meeting your various work needs.2. Smart Alarming: When the radiation in the current environment gets to the preset alarm value, the detector will give an audible alarm to protecting your safety.3. Wide Test Range: Comes with a wide measurement range and high accuracy, the magnetic field detector enables clear display and dual mode simultaneous test.4. Practical Use: Mainly used for testing TV, computers, printers, microwave ovens, refrigerators, mobile phone towers, low frequency household appliances, etc.5. Easy Carrying: Light in weight and compact in size as well, the magnetic field detector allows for easy carrying and operation.Specification:Item Type: EMF MeterBattery: 2 x AA battery, shipped without battery. Electric Field Measurement Unit: V/mElectric Field Measurement Accuracy: 1V/mElectric Field Measurement Range: 1V/m-9999V/mMagnetic Field Measurement Unit: TMagnetic Field Measurement Accuracy: 0.01 TMagnetic Field Measurement Range: 0.01T - 99.99TTemperature Measurement Unit: /Temperature Measurement Accuracy: 0.1 /Temperature Measurement Range: - 10 ~70 Alarm Threshold: 40V/m, 0.7 TDisplay Screen: 3-1/2 bit LCDTest Bandwidth: 5Hz-3500HzSampling Time: About 0.4 SecondsTest Mode: Dual Mode Simultaneous Test.Package List:1 xEMF Meter