The PF5 Pocket EMF Detector - a compact, simple to use detector to measure Electric and Magnetic Fields (20 Hz - 50 kHz) It uses color coded LED's which correlate to measurement ranges to assess the Electric Field or Magnetic Field exposure in your environment.
The Acousticom 2 - a compact, simple to use detector for Radio Frequency Radiation and Microwave Radiation (200MHz - 8GHz)