Buy on Amazon : http://www.amazon.com/gp/product/B006LGXK8G?tag=catfoodrevi0a-20 <br /> <br />Plastair PLANT-HB-AMZ Plant Pulse L.E.D. Moisture Sensor for Hanging Baskets <br /> <br />Alerts when to water <br />Waterproof for indoor and outdoor use <br />Continuously monitors moisture levels <br />Innovative and energy efficient <br />Senses moisture and the roots
