SENCKIT B08R5S7NFK
SENCKIT WiFi Water Sensor Instruction Manual
Model: B08R5S7NFK
1. Product Overview
The SENCKIT WiFi Water Sensor is a smart leak detection device designed to provide real-time alerts to your smartphone via the Tuya APP. It helps monitor for water leaks or preset water level overflows in various locations such as laundry rooms, basements, kitchens, and bathrooms, offering peace of mind and preventing potential water damage.

Image 1.1: The SENCKIT WiFi Water Sensor, showing its compact design and the associated mobile application interface for monitoring water levels and alarms.
This device operates on a 2.4 GHz Wi-Fi network and is powered by two AAA batteries, ensuring long-lasting operation and easy replacement. Its thoughtful design allows for installation in small spaces, making it versatile for various household applications.

Image 1.2: Key features of the SENCKIT WiFi Water Sensor, including water level alarm, water leak alarm, full water alarm, APP notification, long standby, low battery reminder, no false positives, and easy installation.
2. Package Contents
- SENCKIT WiFi Water Sensor Unit
- Water Detection Probe with Cable
- 2 x AAA Batteries (pre-installed or included separately)
- User Manual (this document)
3. Setup and Installation
3.1. Battery Installation
- Locate the battery compartment on the back of the sensor unit.
- Open the compartment cover.
- Insert the two AAA batteries, ensuring correct polarity (+/-).
- Close the battery compartment cover securely.
3.2. App Download and Account Creation
- Download the Tuya Smart or Smart Life App from the App Store (iOS) or Google Play Store (Android).
- Open the App and register for a new account if you don't have one, or log in with an existing account.
3.3. Device Pairing with Wi-Fi
The sensor only supports 2.4 GHz Wi-Fi networks. Ensure your router is configured for 2.4 GHz or that your device is connected to the 2.4 GHz band during pairing.
- Ensure your smartphone is connected to your home's 2.4 GHz Wi-Fi network.
- Open the Tuya Smart/Smart Life App.
- Tap the "+" icon in the top right corner to add a device.
- Select "Security & Sensor" category, then choose "Water Leak Detector (Wi-Fi)".
- Follow the on-screen instructions to put the sensor into pairing mode. This usually involves pressing and holding a button on the sensor until an indicator light flashes rapidly.
- Enter your Wi-Fi network password in the App.
- Wait for the device to connect. Once connected, the indicator light on the sensor will stop flashing and remain solid.
- You can rename the device in the App for easier identification (e.g., "Basement Water Sensor").
3.4. Placement of the Sensor
Place the main sensor unit in a dry location, and position the water detection probe where water leaks are most likely to occur. The probe should be placed directly on the floor or surface where water accumulation is a concern.
- Recommended Locations: Basements, laundry rooms (near washing machines), kitchens (under sinks, near dishwashers), bathrooms (near toilets, bathtubs), water heater closets, and areas with plumbing.
- Ensure the probe's metal contacts are in direct contact with the surface to be monitored.

Image 3.1: Example placement of the SENCKIT WiFi Water Sensor, demonstrating its ability to detect flooding and provide timely alarms.

Image 3.2: Various scenarios where the water sensor can prevent damage, including forgotten faucets, leaking kitchens, burst pipes, children playing with water, and leaking fish tanks.
4. Operating Instructions
4.1. Real-Time Monitoring
Once the sensor is successfully paired and placed, it will continuously monitor for water leaks. When water is detected by the probe, the sensor will immediately trigger an alarm.
4.2. App Notifications
Upon detection of water, your smartphone will receive an instant alarm message via the Tuya Smart/Smart Life App. Ensure that push notifications are enabled for the App on your phone's settings.

Image 4.1: A smartphone displaying a "Flooding Alarm" notification from the Tuya app, indicating a water leak has been detected.
4.3. Alarm Reset
The alarm will automatically reset once the water is no longer detected by the probe. After addressing the leak, ensure the probe area is dry.
4.4. Device Sharing
You can share access to the device with family members through the Tuya Smart/Smart Life App. This allows multiple users to receive alerts and monitor the sensor's activity.
- In the App, navigate to the device settings for the water sensor.
- Look for a "Share Device" or "Device Sharing" option.
- Follow the prompts to invite other users (they must also have a Tuya Smart/Smart Life account).
5. Maintenance
5.1. Battery Replacement
The sensor uses 2 AAA batteries. The App will provide a low battery reminder when replacement is needed. Battery life is typically more than six months.
- When a low battery alert is received, replace the batteries promptly to ensure continuous protection.
- Follow the battery installation steps outlined in Section 3.1.
5.2. Cleaning
Wipe the sensor unit and probe with a dry, soft cloth as needed. Do not use abrasive cleaners or immerse the main unit in water.
5.3. Regular Testing
It is recommended to periodically test the sensor to ensure it is functioning correctly. To test:
- Place the water detection probe in a small amount of water (e.g., a few drops on a plate).
- Verify that you receive an alarm notification on your smartphone.
- Remove the probe from the water and dry it thoroughly. The alarm should clear.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Sensor not connecting to Wi-Fi. | Incorrect Wi-Fi password; Not 2.4 GHz Wi-Fi; Sensor too far from router; Router firewall settings. |
|
| No notifications received. | App notifications disabled; Sensor offline; Phone not connected to internet. |
|
| False alarms. | Probe contacts are wet or dirty; Sensor unit exposed to moisture. |
|
| Short battery life. | Frequent alarms; Low quality batteries. |
|
7. Specifications
| Feature | Detail |
|---|---|
| Model | B08R5S7NFK |
| Brand | SENCKIT |
| Connectivity | Wi-Fi 2.4 GHz (IEEE 802.11b/g/n) |
| Power Source | 2 x AAA Batteries |
| Battery Life | Approx. 6+ months (depending on usage) |
| App Support | Tuya Smart / Smart Life App |
| Color | White |
| Compatible Devices | Smartphone |
8. Warranty and Support
SENCKIT provides a 12-month warranty for this product. If you encounter any issues or have questions regarding your WiFi Water Sensor, please do not hesitate to contact our customer service team.
Our support team is available 7 days a week, 24 hours a day, to assist you.
For customer service inquiries, please refer to the contact information provided with your purchase or visit the official SENCKIT store page on Amazon: SENCKIT Store.
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