Emf-Meter Electromagnetic Field Radiation Detector Tester Portable Rechargeable Laptop EmissionFeatureThis Meter Can Test Electric Field Radiation And Magnetic Field Emission To Reach The Optimal Test Result . It Is Used; To Test And Learn The Indoor And Outdoor Electromagnetic Radiation Situation. It Is Equipped With Built-In Electromagnetic Radiation Sensor, Which Can Display The Radiation Value Of Lcd Digital Screen After Processing By Control Microchip. An Instrument To Two Uses, It Can Test Electric Field And Magnetic Field Radiation At Any Time. At A Time.Audible Alarm, When The Test Result Exceeds The Safety Value, The Instrument Will Be Alarmed Automatically.Data Lock, Data Lock Key Of The Radiation Value.ÉLcd Display Of The Values For Easy Reading.ÉRadiation Evaluation, Reminds You If The Radiation Value Is Safe Or Not.Keep Data Low Fast Electricity Off Fashionable, Easy-To-Use Operation. Hand, It Is Easy To Carry And Do Field Measurement. Package Included 1 X Electromagnetic Radiation Detector 1 X User Manual (English)