1、The Bluetooth module is used to establish communication between the device and the mobile phone through the APP, and realize the intelligent control of the mobile phone. 2、The water inlet of the controller is designed with a filter screen, which can effectively filter impurities to avoid clogging, and is easy to disassemble and clean. 3、Saving water and time not only provides effective water resources, but also greatly reduces labor costs through efficient irrigation. 4、Automatic watering, our watering timer can water plants when no one is at home and take care of them to improve the survival rate of plants. 5、With the adapter, it can be connected according to the size of the faucet. The battery cover has a rubber ring design, which has good sealing performance. Item Type: Watering Timer Material: ABS Color: As shown in the picture Product Size: Approx. 10.5x10x4.3cm / 4.1x3.9x1.7in Weight: Approx. 309g / 10.9oz Battery: 1.5V alkaline dry battery, AA battery x4 (not included) Rated Power Consumption: <1w Quiescent Current: 30uA Working Temperature: 0-60℃ Output Control Mode: Pulse output Range of Use: Within the Bluetooth coverage of mobile phones Waterproof Rating: IP65 Suitable for Water Pressure: 1-8KG Flow Rate: 500-1700L/H Liquid Medium: Clean water (tap water) Interface Accessories: G1/2 female thread interface: connect G1/2 male thread faucet G3/4 female thread interface: connect G3/4 male thread faucet Nipple Interface (not included in shipment): Match up different pipes, quick connect can be connected to 9/12mm pipe, 4/7mm pipe, garden pipe, 16PE pipe, 4/6PE pipe (customers can purchase different quick connectors according to their needs for installation and use ). Manual Switch: Switch button, manual switch controller, long press for 5 seconds to enter the mobile phone pairing mode, click the manual button to control the device on and off, (long press the switch button to reset the device, re-pair, the device is not tied after reset (Definitely not connected) Indicator light: A. When the Bluetooth is in the bound and connected state, it will stay on for 3 seconds and then go out. B. When the Bluetooth is in the bound and unconnected state, it flashes 3 times in 1 second interval. C. When Bluetooth is in unbound and unconnected state, it flashes 9 times quickly. Application Scenarios: Home gardening, agricultural production, gardening and gardening production Uses: Garden flowers and grass irrigation, parks, playgrounds and home pavilions can be installed to cool down in summer; Applicable to: Automatic control products for courtyards, balconies, home green wall, three-dimensional greening micro-sprinklers, droppers, and infiltration irrigation. 1 x Adapter 1 x Controller(Battery Not Included) 1 x English Manual