Rainwater sensor function: This timer irrigator has an updated rain sensor chip, which can achieve more accurate detection. When it rains, no manual operation is required, and the timer automatically delays the program to the next watering cycle to prevent overwatering. Flexible watering program: The watering timer allows for longer run time and interval time. The watering time is from 1s to 99mins and the watering interval is from 1h to 15 days. So your watering plan is fully customizable. Automatic and manual operation design: Manual mode can water the water immediately without interrupting the scheduled watering schedule. You can set the current time, start time, watering duration, watering frequency, rain delay and manual watering as needed on the large select button. Power Saving: Works with only 2 AA batteries, the hose timer can work more than 6 months, and the LCD screen will automatically shut off if it does not work within 30 seconds, saving energy more energy. Child lock mode helps prevent accidental triggering or water spillage. Waterproof, durable: IP65 waterproof, tested under 10kg of water pressure. The upper connector is made of reinforced nylon fiber, which is more durable and firmer than ABS or plastic.