Check the listing for details. Emf Meters，geiger Counter, LCD Electromagnetic Radiation Detector, Handheld Port. Condition: New. Listed at 34.99 USD. Product DescriptionFeatures:One instrument with two uses. It can test the electric field and the magnetic field radiation at the same time.Sound-light alarm, when the test result exceeds the safe value, the instrument will alarm automatically.Data locking, one-key lock of the radiation value.LCD display of the values for easier reading. Radiation assessment, remind you whether the radiation value is safe or not.Keeping data.Low electricity prompt.Auto power-off.Fashionable design, easy on-hand operation, it's easy to carry and make field measurement.Specification:Name: Radiation DetectorModel: ET825Material: ABS plasticColor: blackPrecision: electric field: 1 V/m; magnetic field: 0.01μTRange: electric field: 1-1999V/m; magnetic field: 0.01 uT - 99.99 uTReading display: 3-1/2-digit LCDAlarm threshold value: electric field: 40V/m; magnetic field: 0.4uTTesting bandwidth: 5Hz-3500MHzTest mode: Bimodule synchronous testOperating temperature: 0～50℃/30℉~122℉Operating Humidity: relative humidityOperating voltage: 1.5V AAANote: NO battery included. The nuclear radiation detector can use either rechargeable batteries or dry batteries.Notice:1. Due to the light difference, the color may be slightly different.2. Please allow slight differences due to manual measurement.3.If you have any comments or questions about the product, please contact us in time, we will reply to you within 24 hours.