Introduction
The RUIKORING WD71 Water Leak Detector is designed to provide early warning of water leaks and potential flooding in your home. This device features dual-sensor technology, an adjustable 120dB alarm, and seamless compatibility with the W13 gateway for remote monitoring via a smartphone application. Its IP66 waterproof rating ensures reliable performance in wet environments. This manual provides essential information for proper installation, operation, and maintenance of your water leak detector.
What's Included
Verify that all components are present in the package:
- RUIKORING WD71 Water Leak Detector(s)
- AAA Batteries (included)
- Opening Tool (for battery compartment)
- USB Cable and Power Adapter (for W13 Gateway, if purchased as part of a kit)
- Instruction Manual
Specifications
| Feature | Specification |
|---|---|
| Model Number | RK-WD71x1 |
| Brand | RUIKORING |
| Power Source | Battery Powered (2x AAA batteries, included) |
| Compatible Devices | W13 Gateway/Hub |
| Audible Noise | Up to 120 dB (4 adjustable levels) |
| Mounting Type | Floor Mount |
| Maximum Range (with W13 Gateway) | 328 ft (open area), 150 ft (indoors) |
| Sensor Technology | Contact Sensor (Dual-Sensor: top for drips, bottom for pooling) |
| Waterproof Rating | IP66 |
| Control Method | App, Push Button, Remote, Voice (via Tuya App) |
| Item Weight | 0.1 kg |
Setup Instructions
1. Battery Installation
The WD71 Water Leak Detector requires two AAA batteries for operation. Follow these steps to install them:
- Use the provided opening tool to gently pry open the product casing. Insert the tool into the small notch on the side and twist to separate the top and bottom halves.
- Insert two AAA batteries into the battery compartment, ensuring correct polarity (+/-).
- Align the reference lines on both halves of the casing and snap them back together until securely closed.

Video: Detailed instructions on how to install AAA batteries into the RUIKORING WD71 Water Leak Detector.
2. App Installation and Gateway Connection (if applicable)
To enable remote monitoring and notifications, download the "Tuya Smart" app and connect your W13 Gateway (if part of your kit) and WD71 sensors.
- Download the "Tuya Smart" app from the Apple App Store or Google Play Store.
- Register for an account and log in.
- If using a W13 Gateway, ensure it is powered on. Hold the volume button on the gateway for 2 seconds until the white indicator light flashes to enter pairing mode.
- Follow the in-app instructions to add the W13 Gateway to your 2.4GHz Wi-Fi network.
- Once the gateway is connected, follow the app's instructions to pair your WD71 water sensors with the gateway. This typically involves pressing the 'TEST' button on the sensor.

Video: Quick start guide on how to connect the W13 gateway to a 2.4 GHz WiFi network.
Video: Instructions on how to pair a new WD71 water sensor with the W13 gateway water kit.
Operating Instructions
1. Placement of the Detector
Place the WD71 Water Leak Detector in areas prone to water leaks or flooding. The device is equipped with dual sensors: top probes for detecting dripping water and bottom probes for pooling water. Ensure the sensors are in direct contact with the surface where a leak might occur.
- Under kitchen sinks
- Near washing machines or dishwashers
- Around water heaters
- In basements or crawl spaces
- Near toilets or bathtubs
- Under refrigerators with ice makers

2. Leak Detection and Alarm
When water is detected by either the top or bottom probes, the device will trigger an alarm. The alarm features a 4-level adjustable volume up to 120dB and a flashing indicator light.
Video: Demonstration of the water leak detector's high sensitivity and adjustable loud/silent alarm feature.
3. Adjusting Alarm Volume and Mute
The alarm volume can be adjusted or muted:
- Manual Adjustment: Press the 'TEST' button on the device to cycle through the 4 volume levels or to mute the alarm.
- App Control: If connected to a W13 Gateway and the Tuya Smart app, you can adjust the alarm volume or mute it remotely through the application settings.

4. App Monitoring and Notifications
When connected to the W13 Gateway and the Tuya Smart app, you will receive instant notifications on your smartphone when a leak is detected. This allows for 24/7 monitoring from any location.
- Real-time Alerts: Receive push notifications directly to your phone.
- Device Sharing: Share access to the device with family members or housemates through the app for collaborative monitoring.
- Voice Control: The Tuya Smart app supports integration with voice assistants like Alexa, Google Assistant, and Apple's Siri for status updates and control.


Maintenance
1. Testing the Device
Regularly test your water leak detector to ensure it is functioning correctly. Press the 'TEST' button on the device to activate the alarm. If connected to the app, you should also receive a test notification.
2. Low Battery Reminder
The device will provide a low battery reminder when the batteries need replacement. This may include a visual indicator on the device and/or a notification via the Tuya Smart app.
3. Cleaning
Wipe the exterior of the detector with a soft, dry cloth. Do not use abrasive cleaners or immerse the device in water (beyond its intended waterproof function for leak detection) as this may damage internal components.
Troubleshooting
- Device not alarming:
- Check battery levels and replace if necessary.
- Ensure the device is placed correctly with sensors in contact with the surface.
- Perform a manual test using the 'TEST' button.
- No app notifications:
- Verify that the W13 Gateway is powered on and connected to your 2.4GHz Wi-Fi network.
- Ensure the WD71 sensor is correctly paired with the gateway.
- Check your phone's notification settings for the Tuya Smart app.
- Confirm your phone has an active internet connection.
- Difficulty pairing with gateway/app:
- Ensure your Wi-Fi network is 2.4GHz. The device and gateway may not support 5GHz networks.
- Reset the gateway and/or sensor according to their respective instructions and attempt pairing again.
- Ensure the gateway and sensor are within effective range.
Warranty Information
RUIKORING products are manufactured to high-quality standards. For specific warranty details, please refer to the warranty card included with your product or contact RUIKORING customer support. Keep your purchase receipt as proof of purchase for any warranty claims.
Support
For technical assistance, troubleshooting, or further inquiries, please contact RUIKORING customer support through the contact information provided on the product packaging or the official RUIKORING website. Please have your model number (RK-WD71x1) and purchase details ready when contacting support.