Portable and compact magnetic field monitor with reliable and responsive performance for 50/60 Hz monitoring. Fivecolor LED indicator shows current field strength at a glance: dark green 0 to 1.5 mgauss green 1.5 to 2.5 mgauss yellow 2.5 to 10 mgauss orange 10 to 20 mgauss red 20+ mgauss Designed for monitoring magnetic field levels at standard mains frequencies (50/60 Hz). LED indicators are easy to read in both darkness and sunlight. Simple to operate, providing quick EMF exposure assessment without calculations. Suitable for onsite use in a variety of environments due to its portable nature and clear visual readouts. Use scenarios: Electric and installation work around electrical panels and outlets to identify EMF areas. Office or home environments to monitor EMF around computers, routers, and other devices. Industrial or workshop settings near machinery and power distribution where EMF levels may vary.