K-II METER.....as seen on "GHOST HUNTERS" • Easy to read Multi-Segment LED Display • Detects the ELF range (50 to 1,000Hz) & VLF range (1,000 to 20,000Hz) • Five level milliGauss ranges • 50 & 60 Hz operation • 9Vdc Operation • Single Axis • Accuracy of ±5% at 50-60Hz • Instantaneous Response To EMF Fluctuations & Spikes Used on show "Ghost Hunters"