Compatible with NPT/UN standard type faucet. The specially designed 3/4 NH adapter and quick connection solve the problem of water leakage caused by the thread mismatch. Improved the rubber sealing to prevent water leakage. Watering Duration: 1s-59s, 1min-300min; Watering Frequency: 1h-23h, 1 day-15 days. That can make your watering schedule fully customizable. This water timer can apply to drip irrigation system,s prinkler controller, pool filling and mist system. Manual mode allow instant watering use without interrupting your planned irrigation program. Rain Delay mode will delay your program to the next irrigation cycle to avoid overwatering. Child Lock mode help sprinkler timer prevent unintended trigger or water waste. 2 x1.5 V AA Alkaline batteries needed (Not Included)，which allows our water timer to run for over 6 months. Smart display remaining power to ensure you are aware of the available power and the LCD screen will turn off automatically without operation within 30 seconds for far more power-efficient. The chip will detect low power supply and shut off hose timer before battery dead. Note: This product includes only the watering timer set. Due to different lighting and screen settings, the color of the item may differ slightly from the picture. Due to manual measurement, please allow slight difference in dimension. What's in the box? 1 x Timer 1 x Female Thread Conversion Set 1 x Washer 1 x Conversion Piece