16 available Irrigation frequency: 1 time / per day, 1 time / 2 days, 1 time / 3 days Irrigation time: 1 min (minimum), 9 hours 59 min (maximum) Working pressure: 0-400kpa Water temperature: 0-40°C Power supply: solar power and 2 x 1.5V AAA batteries (not included) Irrigation medium: clear fresh water Program can be set: single program, multi-program, common program, cycle program, one day, multiple days Operation: automatic operation, manual operation Product weight: 265g / 9.34 oz Product size: 20.5 * 8.5 * 10.5cm / 8.07 * 3.34 * 4.13in br/> Package weight: 315g / 11.11 oz Package size: 12.5 * 12 * 9.5 cm / 4.92 * 4.72 * 3.74 inch Note: Please install correctly then use. When the screen shows low battery, you should replace the battery in time and reset the program. It is recommended to reset irrigation time as the season changes, allowing plants to better absorb water. If not used for a long term, please disassemble this product, take the residual water , store the product for next use. Due to the water with impurities, you should wash the stainless steel strainer in time in case of blockage. Please read the user manual carefully for more information before use. Irrigation controller only, other accessories in pictures are not included. Due to manual measurement, there may be deviation, please in kind prevail. Due to the lighting, the color of the picture and the material object may differ slightly. Packing list: 1 * Controller irrigation 1 * user manual