Delayed/manual/automatic watering system, IP65 waterproof Fully automatic: never have to worry about underwater water or over-watering again. Neither will you have to worry about who will be watering the garden while you are away. Easy to install: you just need to tighten the water pipe on one end and put the water pipe on the other end. Full Operation: It works with 2 AAA batteries, has 3 modes, auto/manual/rain delay, meets the use of different situations. Water Saving: Regulate water flow to deliver a precise amount every time. When it rains according to the weather forecast, hold and press the rain delay button. It also prevents watering the garden just before/during/after the rain. Application: It is IP54 waterproof and waterproof, which is ideal for outdoor gravity drip irrigation, garden hose watering, lawn sprinkler controller, garden misting system. greenhouse, pool filling, birdbath dripper, rain barrels, pet watering, etc.