Product Description

 Greenhouse monitoring applications:
timed LED lighting, refilling or adding water, temperature control,
humidity control, fan cycling calendar, PH, EC, Carbon dioxide monitoring,
data transfer (RS***2C, or RS***5)。

Situational control applications:
LED light brightness / temperature /
humidity control, fan cycling, calendar,
carbon dioxide monitoring,  data transmission 
(Via PLC: power line communications or RS***2C or the RS***5)。