Solar Humidity Senor for Plants
Solar Humidity Sensor
How does it work ??
The red LED light blinks when your plant needs watering. No need to replace any battery. The built in Li-Ion long life battery will be daily recharged by a high efficiency indoor solar panel.
Please turn switch to on before using.
You will never be wondering again whether your plants need to be watered the sensor will tell you.
This Humidity sensor won 2nd Prize at the Jaurnees de Collectiant for most innovative solar product in 2010.