A. TRICK PARAMETERS INSPECTION: Simultaneously measure RF intensity, electric field intensity and magnetic field intensity with accurate results. B. LARGE LED SCREEN: The extra large LED screen provides accurate and visible data for real - time monitoring and recording. C. AUDIO ALERT AND RADIATION LEVEL ASSESSMENT: Equipped with an audio alarm and radiation classification function on the top, it will alert you if the radiation level exceeds the safe limits. D. PORTABLE DESIGN: Powered by 3 x AAA batteries (not included), this device is portable and convenient to carry to places for monitoring. E. WIDE APPLICATION: Suitable for detecting electromagnetic radiation emitted by various industrial equipment and household appliances. Ideal for use in kitchens, high - voltage equipment, homes, offices and factories. Product Type: Radiation Detector Material: ABS Weight: Approx. 172g / 6.1oz Color: Black Battery: 3 x AAA batteries (not included) Product Size: 13x6.7x3cm / 5.1x2.6x1.2in 1 x Radiation Detector 1 x Handheld