SY-N30 is a LCD Vibration Activated Hour Meter. The hour meter features 6-digits with an hour glass icon as a running indicator. This unit operates only when it is introduced to vibrating equipment.This meter can be installed anywhere on equipment with no special wiring connection or power source to operate. The internal battery supplies all the necessary power for the gauge to operate for years of service. The total operating hours are always shown on the LCD display.This compact tamper proof meter is 100% encapsulated with potting compound enabling it to operate in even the most extreme conditions.