Product Technical Specifications: Water Connection: 21mm faucet, 26.5mm threaded hose connection: 13mm (1/2 ) - suitable for all known connector systems Watering time: 0h 1min-9h 59min Water temperature: 0 -40 C Working pressure: 0-400KPAR Operation mode: every day, every 2 days, every 3 days or a specific date Power supply: 2 x 1.5 V AAA battery (not included) 1. With automatic and intelligent irrigation timers, all you need to do is press the button to set the watering time and timely watering. Automatic watering can be set up to 12 times a day. The watering time is 1 minute to 120 minutes. The shortest cycle is 1 hour, and the longest cycle is 7 days. The data storage function is also available when turned off. The environmentally friendly material timer is mainly made of high-quality ABS plastic, which is durable, waterproof, and corrosion-resistant. With a waterproof protective cover, you can better protect the water clock.