MULTI-FUNCTIONAL: The 3-in-1 device effectively detects electric field radiation, magnetic field radiation and temperature simultaneously, bringing you maximum convenience. ACCURATE MEASUREMENT: Equipped with a built-in electromagnetic radiation sensor, the device can process data through a control chip and display it on a clear LCD digital screen. PRACTICAL CONVENIENCE: Since our living environment is surrounded by radiation from microwave ovens, electric fans, air conditioners, etc., this EMF meter can quickly measure radiation and temperature. EFFICIENCY AND VERSATILITY: As an all-in-one gadget, the tester is efficient and convenient to use, perfect for frequent and versatile applications. DIGITAL DISPLAY: With its clear and detailed LCD digital screen, the electromagnetic radiation tester gives an accurate visualization of radiation values, making it easy to track and monitor exposure levels. Specification: Item Type: Electromagnetic Radiation Tester Material: ABS Battery: AAA battery x 3 (battery not included) Electric Field: 1V/m to 1999V Magnetic Field: 0.01T to 99.99 Temperature: -10 to 70 Test Bandwidth: 5MHZ to 3500MHZ Sampling Time: About 0.4 seconds Test Mode: Dual Mode Test Operating Temperature: 0 to 50