ITEM NAME:Adjustable Knob For Garden Automatic Electronic Water Timer Irrigation System Features: Irrigation water timer: For programming a watering cycle for your garden. Allows you to automatically water your garden and plants every single day with no effort. Adjustable timer controls: Can run up to 24 cycles a day. Watering time options of 1, 3, 5, 10, 15, 20, 30, 60, 90 and 120 minutes. Frequency options of 1, 2, 3, 4, 6, 8, 12, 24, 48, and 72 hours with an extra option of one week. Maximum pressure: Works at a maximum pressure of 80psi. Power by: 3V 2 x AAA batteries(not included). Applicable Faucet: Threaded faucet with outlet diameter of 20mm/25mm is available. Specifications: Material: ABS Color: Green Yellow Battery: 3V 2 x AAA batteries(not included) Water temperature: 0-40 degree Working pressure: 0.0-8 kg Size: (Approx)8.5x6x16.5cm (LxWxH) Package Included: 1 PC x Automatic Electronic Water Timer Note: 1. The set cycle time cannot be less than the duration of valve open output 2. When the B rotary switch is set to 0, the water valve is opened for watering only once 3. When the A rotary switch is set to OFF, the water valve will close. How to use: 1. Insert the battery (the first time the battery is inserted, the water valve will self-check once, and the valve ball will automatically turn to the closed state) 2. Turn the B rotary switch to the time point of the required cycle and the A rotary switch to the required time point of continuous watering 3. The water valve will automatically work according to the set program within 10 seconds. Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement..Water temperature: 0-40 degree. When the B rotary switch is set to 0, the water valve is opened for watering only once. When the A rotary switch is set to OFF, the water valve will close. Anyway we will try our best to avoid this kind of thing.