Simultaneously measures power density ( S), electric field intensity ( E), and field intensity ( H) across a wide frequency ranging of 50MHz-5GHz, accurately capturing data from various electromagnetic radiation sources like household appliances and base stations Equipped with double sound light alarms, data / playback, backlit screen for nighttime use, and an ABS anti slip body for durability in environments Compact design ( 105×70×30mm) with single button operations, powered by 3 standard 1.5V dry batteries or rechargeable 1.2V batteries for extended use, ensuring hassle less measurements even for beginners Ideal for detecting electromagnetic radiation in homes, offices, near power lines, or base stations, making it a practical tool for home, workplace protected, and environmental assessments Features a 2.8 Inch color LCD screen that shows real time radiation values and trend curves for all three parameters, with visual and alarms triggered when levels exceeding limits for clear environmental, Manufacturer: TFAOYS