HG0013953 Specification: Brand new Material: Plastic Color: As the picture shown Work Pressure: 0-400kpa Water Temperature: 0-40C Water Connection: 21mm tap with 26.5mm thread Hose Connection: 13mm(1/2") Irrigation Frequency: 1-16 times a day, 1 time/3 days Irrigation Time: 1min (Min.), 9hour 59min (Max.) Power Supply: Solar power & 2 * 1.5V rechargeable batteries(Not battries included) Irrigation Medium: Clear fresh water Program Can Be Set: Single Program, Multi-program, Common Program, Cycle Program, One Day, Multi-days Operation: Auto Operation, Manual Operation Package Included: 1 x Irrigation Controller 1 x User Manual (No batteries included and unpacking shipment) Note: Please allow minor error due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Put the solar panel under the sun to test whether it is working. Need to change the battery when it is near the service life, in order to avoid the water splashing in all directions. Different plants should use different procedures to irrigate. Because water has impurity, you should wash the stainless strainer in time in case of blocking. If the display shows the situation which battery is low power, you should turn off the faucet, change the new battery and set the watering procedure again.And If you don't change the battery, you should turn off the valve all the time.