Harvest-Master® Climate Pro Plus Controller HARVEST MASTER CLIMATE PRO PLUS CONTROL Controls night and day length, temperature and humidity control, plus controls up to 8 devices (or 7 and a cycle timer), for a balanced climate. All models come as a complete kit. The kit includes controller, sensors, remote relay switches. Sensors are high accuracy types, for temperature, humidity and CO2. 3 remote relay switches are included for lights and heaters to put on different electrical circuits. The "Pro Plus" model is the same as the Climate Plus model plus 8 additional inputs & outputs, to control advanced functions including automation of alarms which can drive the optional "Text Message" (product no. 703335) option.  | Manufacturer's Product Information |  | | | 2007 MSRP Each $ | 2099 | | Case Weight | 5.70 LB | | Case Dimensions | 9. x 11. x 6.75 IN | | Case Quantity | 1 | | |