Simultaneous Detection of Electric and Magnetic Field - Detect electric and magnetic fields simultaneously, offering a comprehensive radiation assessment. Fast and Accurate - Built-in high-precision electromagnetic radiation sensor, micro-control chip processor, can quickly and accurately measure electromagnetic radiation value.Electric field measurement range from 1 - 1,999 V/m with 1 V/m precision, and magnetic field range from 0.01 - 99.99 µT with 0.01 µT accuracy. Rapid Threat Response System - The EMF tester doesn't just measure; it actively safeguards you. Real-time monitoring triggers instant audio-visual alarms when radiation surpasses safety thresholds, ensuring swift action. Mobility Meets Protection - Seamlessly integrate safety into your lifestyle. The NF-601 is a sleek, portable handheld device, guaranteeing continuous protection on the move, wherever you venture. Secure Data Lock-in - Lock and secure critical readings for meticulous analysis and decision-making, preserving vital information for your peace of mind. Illuminating Clarity - Enjoy effortless readings, even in low-light conditions, thanks to the backlit display, ensuring your radiation assessment is always crystal clear. Guardian of Vulnerable Ones - Our device goes beyond measurement, highlighting the potential risks of radiation to pregnant women, infants, and the elderly. We prioritize minimizing exposure to safeguard your loved ones' well-being.