Irrigation frequency: Irrigate at least once a day, at most 16 times, and at most once every other day Display function: LCD display, standard time, irrigation status control, Power supply: 2 AA 1.5v dry batteries (batteries not included) Irrigation time: the shortest one minute, the longest 9 hours 59 minutes Suitable for water pressure: 0-400KPA Suitable water temperature: 0-409C Single program, multiple programs, regular cycle, Programs can be set: one day, several days Switch: automatic, manual 1. Turn off the slot 2. Open the battery cover 3. Install two AA batteries 4. Install the connector 5. Tighten the cover 6. Tighten the gasket Superior waterproof performanceIP68 verification rating (100% waterproof, the highest benchmark among similar products on the market). is well suited for drip irrigation systems for flowers and lawns. Energy Saving The built-in solenoid valve is more energy-saving compared to the old and other similar products on the market, two dry batteries can last three times the battery life and the life is more than 50W times. Automatic Irrigation Timer Our product has a complaint detection system (the latest patented product in 2020), it will automatically stop when it rains, to prevent flooding of flower plants. Ultra-long standby waterproof and permanent memory function. Low Current Protection Low current protection function, if the controller has no power when you are not at home for a long time, it will force the valve to close, to avoid the valve to close, to avoid unattended water. becomeveryrich