description of goods:Irrigation timing controller, irrigation supporting tools, good irrigation system, we can use it to automatically water the flowers, automatically water the plants and automatically water the plants. Suitable for public green space, home gardening, agricultural production, gardening and horticultural production.Features:1. Ergonomic design, easy to operate, saving time and effort.2. High quality and fine workmanship, rust-proof, durable and practical.3. High-strength acid-proof, anti-corrosion, good water flow, no dripping.4. Automatic sprinkler system, good at plant and flower sprinkling, save time and water.5. Internal threaded G1/2 inch copper joints and G3/4 inch plastic joints are supplied together.Specification:Condition: 100% Brand NewItem Type: Irrigation TimerMaterial: PlasticColor: Black + BlueTimer Size: Approx. 20*9.5cm / 7.9*3.7inchInstallation Method:1. It is necessary to have a butterfly faucet or a water source with no thread faucet to match the controller (the unthreaded faucet needs to be connected with a universal joint).2. Lock the controller to the faucet.3. Hold the two blue spring pads of the controller with your left hand, and take out the control board with your right hand.4. Buckle the battery in the direction of the positive and negative electrodes (the battery is a 9V dry battery).5. Install back to the control board and the installation is completed.6. Turn on the faucet for use.Battery Collocation:1. The battery is equipped with block carbon 9V battery.2. Battery Type: Dry Battery.3. Series: 6F22.4. One battery will do.5. Note: The battery shall be purchased by the cus