Specification: Battery: AAA alkaline dry battery, 1.5V battery x4 (not included) Rated Power Consumption: <1w Quiescent Current: 30uA 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, reset, the device is not bound and unconnected state) 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. Package List: 2 x Adapter 1 x Controller(Battery Not Included) 1 x English Manual