Technical specifications: Water connection: 21mm tap with 26.5mm thread Hose connection: 13mm (1/2 ") - fit for all known connector systems Watering time: 0h 1min - 9h 59min Water temperature: 0 C - 40 C Working pressure: 0-400KPA Run modes: daily, every 2nd day, every 3rd day or a specific day. Power supply: 2 x 1.5 V AAA batteries (not included) 1. Auto and Smart With the irrigation timer, all you have to do is set the watering time and water in time by pressing the button. Automatic watering can be set up to 12 times per day. Watering time is from 1 minute to 120 minutes. The shortest cycle time is 1 hour, and the longest cycle is 7 days. The data storage function is also available when turned off. 2. Environmentally friendly materials The water timer is mainly made of high quality ABS plastic, which is durable and durable, waterproof and corrosion resistant. And with a waterproof protective cover, you can better protect the water clock. 3.Easy to use It is easy to use and saves time due to its automatic and intelligent design, you can use this device to water each plant without having to travel back and forth. 4.Wide range of applications Irrigation timers are very practical and can be used in your home garden, roof garden, lawn, balcony, terrace, greenhouse plants, agriculture, etc. 5.Waterproof and storage function: With a wireless battery compartment and the waterproof protective cover, the watering clock is safer. Even if the watering clock is turned off, the last setting is saved. Suitable for water pressure: 0 ~ 400KPa. Delivery content: 1 * watering clock 1 * User manual