The MUYA WT3125 Electromagnetic Radiation Tester belongs to the same family of dual-mode EMF meters, measuring electric field (V/m) and magnetic field (uT) strength together in a single sweep. It flags elevated exposure with a combined sound-and-light alarm once readings pass standard safety thresholds, and its compact, single-handed form factor suits quick checks near household electronics and wiring. A data-lock function lets the user freeze and note a reading while in the field.