If you think that computer based greenhouse control systems are expensive, the Growmate line of products will enlighten you. An affordable choice for many growing operations, the Growmate Plus puts the power of a microprocessor based control system in your hands at a price that anyone can afford. All temperature settings can be adjusted independently for day and night heating and cooling, as well as DIF settings. A large and informative display assists in programming, while providing a constant readout of all sensors. Manual override switches for all outputs are conveniently located on the front panel. Growmate Plus includes a temperature sensor and photocell. An optional humidity sensor is available for accurate and true dehumidify functions. Low voltage 24 VAC operations. Required Accessory: MicroGrow Contactor Cabinet This line voltage contactor cabinet is a required accessory for this controller. If you don't have a cabinet already, please call us to place your custom cabinet order at 1-888-281-9337. Standard Features Accurate microprocessor control. Large digital display and convenient program switches. Five cooling stages, two heating stages. Air circulation output for HAF fans. DIF operations are standard. Optional humidity sensor available. Specifications Temperature Accuracy Digital Readout Temperature + - 1° .7 LCD 6 Segment, High Visibility Lighted Status Indicator Programming High Intensity LED Front Panel Toggle Switches Output Switches Available Modes Center OFF, Automatic, Manual Day, Night, DIF Cooling Stages Heating Stages 3 Stages 2 Stages Air Circulation Stage Time Delay 1 Stage, User Selectable User Selectable: 2, 10, 30, or 60 sec. Temperature Separation Temperature Differential User Selectable: 1, 2, 3, or 4° User Selectable: 1, 2, 3, or 4° Fahrenheit or Centigrade Enclosure User Selectable Weatherproof, Clear Cover, Lockable Operating & Voltage Output Physical Size 24 VAC 8.5" W x 10.5" H x 5.5" D Additional Information Data Sheet (PDF) Manual (PDF) Application Chart (PDF)