This product is an intelligent water valve controller product, powered by 2 AA batteries. It is suitable for villa courtyards, balcony gardens, rooftop gardens, home green walls,three-dimensional greening micro-spraying, construction site dust removal, vegetable garden drip irrigation, and sprinkler irrigation. Model Number:water valve controller name: automatic watering device Working Pressure: 1-8 Bar (14-116 PSI) Water Time (How Long): 1 - 255 minutes (adjustable, minimum unit: 1 minute) Connection Size: 1/2inch, 3/4inch Power By: 2xAA Alkaline batteries (NOT included) Irrigation Programs: Up to 4 independent watering schedules Child Lock Function: Yes (press and hold SET + OK to enable/disable) Waterproof Grape: IPX6 Usage steps: 1. Press and hold the "SET" and "OK" buttons for 3 seconds to activate the child lock function and prevent children from operating them randomly; 2. Long press the" "and" "keys for 3 seconds to turn on or off the rain sensing control function, and the watering will automatically stop on rainy days; 3. The maximum watering time can be set to 99 minutes, with an interval of 1-30 days; 4. Use a large LCD screen to display the latest scheduled time settings; 5. It has a manual activation function with adjustable duration. Note: This product does not operate under low temperature conditions, which may cause structural damage. When the temperature is below 0 ℃, please disassemble and store it indoors. The product uses a water pressure of 0.5-8KG, a flow rate of 8L-31L/min, and is suitable for a water temperature of 1℃-60 ℃. Colour:Yellow & Black Material:ABS+Metal Package Contents: 1 x automatic watering device Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.