Feature: 1. 【Five-in-One Detection】: Simultaneously measures radio frequency field intensity, electric field strength, magnetic field strength, temperature, and humidity, providing comprehensive detection of electromagnetic radiation. 2. 【Multifunctional Design & Intuitive User Interface】: Features sound alarms, lock screen/data locking, radiation level assessment, and battery level indication functions. With dual-style display interfaces switchable design, support to view the trend graph of 5 groups of parameters, you can visualize the trend of data changes. 3. 【High Capacity Battery & Long Usage Time】: Equipped with a large 2000mAh battery for extended use and supporting rechargeable via a convenient Type-C port. 4. 【Customizable Settings and Alerts】: Allows users to customize settings such as sensor calibration, backlight brightness, device shutdown time, display shutdown time, sound, time, and language. Supports alarm threshold setting function when the detected value exceeds the set value the corresponding font color will turn red to remind you that the current radiation level is high. 5. 【Versatile Applications】: Suitable for various environments, including industrial facilities, homes, offices, signal towers, and household appliances such as microwaves, ensuring a safer and healthier living and working environment. Specification: Name: Electromagnetic Radiation Detector Model: VT-ER3 Material: plastics Color: black, white (optional) Battery: 1 * 2000mah battery (included) Display size: 2.8 inch Charging mode: 5V type-C Parameter display ranges: Electric field strength: 0-999.9v/m Magnetic field strength: 0-999.99μT Radio frequency/KF density: 0-999.99mw/㎡ Temperature: 0-70℃ Humidity: 0-99%RH Frequency ranges: Electric field strength: 20Hz-100MHz Magnetic field strength: 20Hz-1MHz Radio frequency/Power density: 50MHz-5G Hz Detection accuracy: Electric field strength: 0.1v/m Magnetic field strength: 0.01μT High frequency/power density: 0.01mw/㎡ Temperature: 1℃ Humidity: 1%RH Item size: 125 * 67 * 35mm / 4.92 * 2.64 * 1.38in Item weight: 225g / 7.94ounce Package size: 160 * 100 * 42mm / 6.30 * 3.94 * 1.65in Package weight: 247g / 8.71ounce Package List: Packing List:1 * Electromagnetic Radiation Detector