Three axis (X, Y, Z direction) electromagnetic field measurement. Designed to provide user a quick, reliable and easy way to measure electromagnetic field radiation levels around power lines, electrical appliances and industrial devices. Wide ranges (3 ranges of uTesla or mGauss). Calibrated to measure EMF radiation at wide bandwidths from 30 Hz to 300 Hz. Big digit LCD display. Data hold freezes reading on display. Easy to use remote probe. Complete with sensor with 3 ft. (930mm) cable, 9V battery, and hard carrying case.