Monitor your growing conditions.  DigitalThermometer-Hygrometer measures temperature and relative humidity.  Compact size can stand alone or be clipped on.  Requires 1 AAA battery (not included). 

Shipping: Shipping costs are based on total weight.
Minimum shipping chare is $1.50
Priority Mail - $0.34 per ounce
Parcel Post  - $0.29 per ounce
Hawaii, Alaska and International customers please contact me for shipping costs.