Features: 1. Use two 1.5V AA alkaline batteries; 2. Suitable for water pressure 0-8kg; 3. Suitable for water temperature 0 -40; 4. The specific watering time can be set and the current specific time can be set; 5. Fully waterproof function. (Can be used outdoors) 6. With temporary watering function (does not affect the set program) Watering time: The shortest single watering time can be set to 1 minute, and the longest single watering time is 300 minutes. Watering cycle: Cycle duration is 6 hours, 12 hours, 1 day. 2 days.... The longest cycle period is 7 days. Power supply used: 3V, 2 AA batteries (AA alkaline batteries) Usage: Insert the battery (the first time the battery is inserted, the LCD screen will flash. ) Rotating touch design: set the corresponding program according to your personal needs. Product material: ABS Liquid medium: clear water (tap water) Water temperature Suitable water: 0-40 degrees Celsius Working pressure: 0.0-8 kg There might be slight color difference due to monitor settings from the computer.