Feature: 1. TRIPLE PARAMETER DETECTION: Simultaneously measure RF intensity, electric field intensity, and magnetic field intensity with accurate results. 2. LARGE LED DISPLAY: The extra large LED screen provides accurate and visible data for better real time monitoring and recording. 3. SOUND ALARM AND RADIATION LEVEL ASSESSMENT: Equipped with a top mounted sound alarm and radiation grading function, it automatically alerts you if radiation levels exceed safe limits. 4. PORTABLE DESIGN: Powered by 3 x AAA batteries (not included), this device is portable and convenient to carry to any location you wish to monitor, providing you with a hassle free experience. 5. WIDE APPLICATION: Suitable for detecting electromagnetic radiation emitted by various industrial equipment and household appliances. Ideal for use in kitchens, high voltage facilities, homes, offices, and factories. Specification: Item Type: Radiation detector Material: ABS Weight: Approx. 172g / 6.1oz Color: Black Battery: 3 x AAA battery(not included) Product Size: 13x6.7x3cm / 5.1x2.6x1.2in . Package List: 1 x Radiation Detector1 x Manual