Product details:

Board Power Supply: 6 - 12V DC. 5 Analog I/O Ports, 6 Digital I/O Ports. Potentiometer to set the threshold soil moisture value of watering. Power Range: 0.5W - 5W. The EcoDuino Plant Watering Kit is designed to help you grow plants. By using a series of microcontrollers, sensors and actuators, the EcoDuino system can make your efforts to grow plants much easier. EcoDuino is evolving, now the EcoDuino has an enclosure. It is protected from water splashes, so it is safe to use beside your plants.