Sensor, Control Module, 100 to 240Vac 50/60Hz 2.5A Power, 8 SHERLOCK Refrigerant Gas Sensor or Oxygen Depletion Sensor & 4 Digital Contact Switch, 4 Lines By 20Char Alphanumeric LCD, Nema IP Rating 1, 14 LG x 12 WD x 7 DP in