Product Parameter: Title: Tuya Home Alarm Water Leakage Alarm Independent Wi-Fi Water Leak Sensor Detector Flood Alert Overflow Security Alarm System No HubBattery: LR03-1.5V/AAA*2Batteries not includeWireless Type: 2.4GHz IEEE 802.11b/g/nWorking Temperature: 040 (32 104 Working Humidity: 20%85% RHStorage Humidity: 0%90% RHApp: Tuya smart (Supports Android 4.4 and iOS 8.0 or newer)Material: ABS Product Features: 1. Water poof, water leak detectionThe sensor can detect whether there are water leakage at the installation location. If this is found, the information will be pushed to the phone immediately.2. Easy to InstallThe installation of the sensor is very simple, you can use adhesive taps or screw (included) set to install at the location you need to install, please note that the installation location can be connected to the wifi router.3. Use Wi-Fi, No hub is required The sensor uses Wifi to communicate with the server for data. As long as there is a wifi network connected to the Internet at home, it can meet the installation conditions.4. Remote MonitoringThe alarm information and records of the sensors are all stored on the server. This design allows us to monitor whether there is water in the home or office from any place through the smartphone. And can also share the control information of the device to others.6. Low battery consumptionThe power consumption of the sensor in standby mode is very small, and two LR03 AAA batteries can be used for one year. And when it detects that the battery is low, it will remind you to replace the battery through the alarm message. Where can I use it? You can install it in anywhere you worried about water leakage. For example: Kitchen, sink, bathroom, fish tank. Or you can use sensors to remind yourself that a container is full of water. Working Principle When the two feet of the detector was immersed by the water, the alert notifications will be pushed to your phone, be aware of water overflowing in time, reducing flooding risk. APP Remote Control Mobile APP control, connected to the network via Wi-Fi/3G/4G/5G, Remote control at any time. After the sensor detects the leak, it immediately pushes a message to your mobile APP Multi device installation support 1, Any location with 2.4GHz Wi-Fi cover can be installed2, Generally, 2.4GHz Wi-Fi can stably communicate within 400ft.(depending on the strength of the shelter, of course)3, You can use your mobile phone to test the signal intensity. If you have more than 20% of the signal intensity, you can install it. In addition, 5GHz is shorter than 2.4GHz, so as long as you make sure you use 2.4GHz Wi-Fi test4, How many sensor are connected at home depends on the capabilities of the Wi-Fi router Size Real Shot What is Included Sensor*1, 3M adhesive taps Kit*1, Screw Kit*1, English User Manual*1 How to download APP Please Open your app store, search for "Tuya smart" and install it. Or you can aslo scan the QR code below to download. How to Add Device to APP After you install the app and register your account. It takes only six simple steps to connect to the system.1. Click "+" in the main interface.2. Select "auto scan" function3. Select the WiFi you want your device to connect to (and your smartphone should also connect to this WiFi), and enter the WiFi password.4. Start the device and wait for 1 minute(Enter the configuration mode the first time the battery is installed).5. When the app discovers the device, the device will be displayed on the discovery page.6. Please give the device a proper name, which is very easy to manage. About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied.