Fangrui Product Details 1. Et925 Large Screen Digital Display Electromagnetic Radiation Detector 2. It Is Used To Test And Understand Indoor And Outdoor Electromagnetic Radiation. Built-in Electromagnetic Radiation Sensor, After Being Processed By The Control Microchip, The Radiation Value Is Displayed On The Lcd Digital Display. You Can Deal With The Electromagnetic Radiation Reasonably Or Take Effective Preventive Measures According To The Test Results. 3. Using A Large Lcd Screen, The Values Are Clearly Displayed On The Screen 4. Simultaneous Detection Of Electric And Magnetic Field Radiation 5. Sound And Light Double Alarm Function, When The Detection Value Exceeds The Safety Value, It Will Automatically Alarm. 6. Data Retention Function 7. Small And Portable, Easy To Carry 8. The Radiation Evaluation Function Can Indicate Whether The Current Radiation Value Is At A Safe Level. The Three-color Light Indicates The Current Magnetic Field Status: Safe, Warning, Avoid. If The Electric Field Data Exceeds The Safe Status, The Screen Will Turn Into A Red Alarm. 9. Wide Range Of Applications: It Can Be Used For Electromagnetic Radiation Monitoring In Houses And Apartments, Offices, Outdoor And Industrial Sites, Electromagnetic Radiation Testing Of Mobile Phones, Computers, Tv Sets, Refrigerators And High-voltage Cables, Radiation Protection Product Testing, Etc. Film And Other Radiation Protection Effects. 10. Specification: 11. Material: Abs 12. Electric Field: Vm 13. Magnetic Field: Utmg 14. Accuracy: 15. - Electric Field: 1vm 16. - Magnetic Field: 0.01ut0.1mg 17. Scope: 18. - Electric Field: 1-1999vm 19. - Magnetic Field: 0.01-99.99ut0.1-999.9mg 20. Alarm Threshold: 21. - Electric Field: 40vm 22. - Magnetic Field: 0.4ut4mg 23. Measurement Bandwidth: 5hz-3500mhz 24. Sampling Time: About 0.4s 25. Working Voltage: 4.5v 26. Power: 3 X Aaa Batteries (not Included)