Feature: 1. [LCD Display] This LCD electromagnetic radiation detector can simultaneously detect electric field and magnetic field radiation, the test range is 1V/m‑1999V/m, and the accuracy is 1V/m. 2. [High Sensitivity]] has the advantages of high sensitivity, wide measurement range and long life. Daily use of radiation detectors helps avoid radiation hazards in everyday life. 3. [Wide Range Of Uses] Mainly used to detect TVs, computers, printers, microwave ovens, refrigerators, cell phone signal towers, low frequency home appliances, etc. 4. [Wide Measurement Range] Can be used for radiation detection and monitoring in indoor, outdoor and other similar environments. And used for material inspection, environmental testing, radiation protection, radioactive drug screening, etc. 5. [Multiple Functions] Electromagnetic waves radiation monitor, with data lock function and sound and light alarm function, provides accurate measurement, small and portable. Specification: Item Type: EMF Tester Material: ABS+Silicone Weight: Approx. 171g / 6oz Accuracy: 1V/m Range: 1V/m-1999V/m Alarm Threshold: 40V/m Reading Display: 3-1/2 digit LCD Test Bandwidth: 5Hz-3500MHz Sampling Time: ~0.4 Seconds Test Method: Dual Mode Synchronous Test Display Range: LCD displays "1" Display Temperature: 0℃~50℃ Temperature: Relative Temperature