Utterly unique. You get 3-axis VLF readout with simultaneous frequency indication (1-200 kHz), peak hold, alarm, datalogging, and RS-232 connection. Wow! Portable and easy to use. Covers 0.2 – 2000 mG in 2 ranges. Typical applications include checking the frequencies and magnetic fields produced by such equipment as computer monitors, television sets, video display terminals, induction heaters, industrial/scientific/medical equipment and ground wave energy network. A padded hard case, a 9V alkaline battery, and DC adapter is included. Made in the USA with a limited 2-year manufacturer’s warranty.