Easy and Flexible Programming: Kazeila irrigation timers offer more run time and interval options. Watering durations range from 1 second to 300 minutes, while watering intervals range from 1 hour to 15 days, so you can set your watering schedule according to your wishes. LARGE ALL-IN-ONE DISPLAY: See everything at a glance with the extra-large 3" HD display. You also save a lot of energy because the display automatically goes into sleep mode after 30 seconds of inactivity. Uses 2 AA batteries, timer Lasts for 6 months. Versatile: Manual mode provides instant watering without interrupting the set watering schedule, while Rainfall Delay mode skips program intervals to prevent over-watering and unnecessary Excessive use. Child lock mode protects the water clock from children's activities. Waterproof and Durable: IP65 waterproof, tested to 10kg water pressure The connector rod is made of reinforced nylon fiber, which makes it more durable and stable than ABS or plastic . Special note: Lithium batteries are prohibited and two 1.5V alkaline batteries must be used.