Feature : 1 . Easy installation: no tools required, just mount the timer on the faucet and connect the hose fitting to the male snap connector and that's it! 2 . Automatic Work: No need for any complicated numbers, symbols, operations or settings, just turn the dial how long and how many times to your desired duration and frequency and it will work automatically according to your settings! 3 . Smart Watering: Never worry about your plants, lawn, garden or farmland while on a business trip, weekend getaway or visiting family and friends. 4 . Flexible adjustment: the duration can be adjusted from a minimum of 1 minute to a maximum of 120 minutes; the adjustment interval can be set from a minimum of 1 hour to a maximum of 72 hours. 5. Applications: automatic control products for courtyards, balconies, family green wall, three-dimensional greening micro-sprayers, droppers and infiltration irrigation. Specification: Item Type: Irrigation Water Timer Material : plastic Gross Weight: 304g / 10.7oz Working water pressure: 1-6 kg Suitable water temperature: 0-40 Timer input: G3/4in female thread Timer output: G3/4in male thread, 16mm/0.6in quick connector Medium: pure water Power supply : 2 pcs. 1.5V AAA alkaline batteries (batteries not included) Duration setting: minimum 1 minute to 120 minutes (turn the How Long knob to set) Frequency setting: min. 1 hour to 72 hours (turn the frequency knob to set) Applicable to: automatic control products for courtyards, balconies, family green wall, 3D greening micro sprayers, droppers and infiltration irrigation. Package List : 1 x Watering Timer 4 x Accessories 1 x User Manual According to the manual, you can apply the installation and settings