Easy One Hand Operation.
  Strong aluminum MonoTube - from the tip to the handle, providing the best structural integrity in a hand-held locator.
  Lightweight, only 2 pounds, including batteries.
  Simple, easy to learn Keypad Switches. On/Off, Gain Up, Gain Down. (Volume is controlled by holding down the On/Off switch.)
  Micro-processor remembers the volume and gain settings from the last time the unit was operated.
  Un-Metered (ML-1) & Digitally Metered (ML-1M) versions are engineered to operate and perform identically.
  The Metered Model ML-1M adds features without complexity or operator learning curve.