["WT3121 Handheld Digital LCD EMF Meter Electromagnetic Radiation Tester Electric Field Magnetic Field Dosimeter Detector\n\nFeatures:\n1.One instrument with two uses, it can test the electric field and the magnetic field radiation at the same for time.\n2.Sound-light alarm, when the test result exceeds the safe value, the instrument will alarm automatically.\n3.Data locking, one-key lock of the radiation value and easily read the value.\n4.Measure the Environment Temperature - with 2 temperature units (° and °).\n5.Radiation assessment, remind you whether the radiation value is safe or not.\n6.Fashionable design, easy on-hand operation, it's easy to carry and make field measurement.\n\nDescriptions:\n1.This EMF Meter can test electric field strength and magnetic field strength to reach the optimal test result.\n2.It's widely used to test and learn electromagnetic radiation situation indoor and outdoor.\n3.Suitable to measure the electro-magnetic generated machine, measure low frequency appliance and high frequency radiation appliance.\n\nSpecifications:\nProduct Name: EMF Tester\nModel Number: WT3121\nMaterial: Plastic\nColor: Black&Red\nUnit: V/for m (Electric Field); μT(Magnetic Field)\nAccuracy: Electric: 1V/for m; Magnetic: 0.01μT\nRange: Electric: 1-1999V/for m; Magnetic: 0.01-99.99μT\nAlarm Threshold: Electric: 40V/for m; Magnetic: 0.4μT\nDisplay: 3-1/2 Digit LCD\nTest Bandwidth: 5Hz-3500MHz\nSampling Time: Approx. 0.4 Seconds\nMeasurement Mode: Dual Mode at The Same for Time\nOverload Indication: Max Value of Measurement Range on LCD\nOperating Temperature: 0°C-50°C\nOperating Humidity: Relative Humidity <80%\nWorking Voltage: 3.7V\nPower Supply: 1.5V AAA Battery (Not Included)\n\nPackage Informations:\nPackage Size: 60x25x133mm/2.36x0.98x5.24in\nPackage Weight: 160g/5.64oz\nBox Package\n\nPackage Included:\n1 x EMF Tester\n1 x Manual"]