The single-output Plug‘n’Grow Day & Night Temperature Controller
with external probe maintains temperatures for the most favorable
indoor growing conditions. This consistent instrument detects the
ambient temperature via an external sensor (on a 20” cable) and
activates a heating or cooling unit according to predetermined day and
night settings (adjustable from 50 to 100 degrees Fahrenheit or 10 to
38 degrees Celsius). Controller has a 120-volt, 15-amp capacity and
includes a three-year warranty and daily technical support.