【Upgraded Anti-Leakage Technology】 Well match with the standard NPT/UN type faucet. First of all, there is no need to worry about the valve can't be closed because we have improved the chip and circuit. In addition, the specially designed 3/4 NH adapter and quick connection solve the problem of water leakage caused by thread mismatch. In addition, we have changed the material and thickness of the waterproof rubber button to prevent water from entering the screen around the rubber button. 【Wider Range of Runtime and Interval】 Watering Duration: 1s-59s, 1min-300min; Watering frequency: 1h-23h, 1 day-15 days. The shortest watering time of our timer can reach 1 second, which is suitable for irrigation of plants with high water demand and hot summer with high water demand, such as flowers; the slowest watering frequency is 15 days, which is especially suitable for aquatic plants with low irrigation demand and winter with reduced water demand, such as cacti, succulents. 【Multi-function and