This timer adopts a seamless embedded screen design to ensure absolute leak-proof performance and prevent water penetration, while its sturdy textured panel can withstand wear in harsh environments. The oversized knob and buttons facilitate programming; simply rotate the knob to set the clock, start time, duration and frequency, after which your irrigation system will operate automatically according to the preset program. In manual mode, you can set the watering interval from 1 minute to 299 minutes, and in rainy day delay mode, you can choose 24/48/72 hours to meet your flexible watering schedule. It is easy to set up; rotate the oversized knob to set the clock, start time, watering duration and frequency, and your irrigation system will run automatically as programmed after setup. Through the easy-to-read large LCD screen, you can easily check the next watering time, current time and battery status. Long press the in.OKin. and in.-in. buttons to activate manual mode and rain delay mode. This sprinkler timer supports watering frequency settings from 1-12 hours or 1-7 days, and watering duration from 1 minute to 299 minutes. It has a single outlet with a solenoid valve, compatible with 3/4-inch hoses and faucets, and suitable for water pressure ranging from 8 to 120 psi. Powered by 2 AAA alkaline batteries (not included), it has a battery life of over 1 year. Designed specifically for outdoor use, it features IP55 waterproof protection and a leak-proof structure.