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Ships within 48 hours · Estimated delivery Jul 31 - Aug 5
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Description
SQ400B WiFi Smart Water Leak Detector Overflow Sensor with Buzzer Real Time Monitor Alexa Google Assistant CompatibleReal Time Sensor StatusProvides instant updates on water detection, ensuring immediate awareness of potential leaks. Smart Home IntegrationCompatible with Alexa and Google Assistant for seamless integration into your smart home ecosystem. Intelligent LinkageEnables automated responses and notifications when water is detected, enhancing home safety. Low Battery AlertApp based low battery reminders ensure the detector is always operational. High Decibel
- 【Real-Time Sensor Status】Provides instant updates on water detection, ensuring immediate awareness of potential leaks.
- 【Smart Home Integration】Compatible with Alexa and Google Assistant for seamless integration into your smart home ecosystem.
- 【Intelligent Linkage】Enables automated responses and notifications when water is detected, enhancing home safety.
- 【Low Battery Alert】App-based low battery reminders ensure the detector is always operational.
- 【High-Decibel Alarm】Features a loud >55dB/1M alarm for clear audible warnings in case of water detection.
Specifications:
- Alarm sound: >55dB/1M
- Input voltage: DC3V CR123A
- Quiescent current: ≤20uA
- Alarm current: ≤125mA
- Low power undervoltage: ≤2.6V
- WIFI: 802.11b/g/n
- Detection method: Water detection
- Installation method: Place on the ground
- Working temperature: -10-50℃
- Working humidity: Maximum 95%RH
Package included
- 1 x Sensor
- 1 x English and Chinese User Manual
Specifications
| Brand | N/A |
| Certificate | CE |
| Color | As Shown |
| Packaging Type | Colored Box |
| Plug Type (For Supply) | N/A |
| User Manual (Language) | English and Chinese |
| Gross Weight | 0.112kg |
| Volume Weight | 0.057kg |
| Package Length | 8.000cm |
| Package Width | 8.000cm |
| Package Height | 4.000cm |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 16 reviews
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Product Reviews
★★★★★ 5
Nice Product
Size: 48in, Color: 4-layer
The TP-Link Omada 5-Port Gigabit Easy Managed Switch offers stable performance and straightforward setup. It delivers consistent connectivity and solid value for the price. A dependable choice for a well-organized network.
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Reviewed in the United States on January 21, 2026
★★★★★ 5
Very Sturdy Industrial Shelves with a High-End Look
Size: 48in, Color: 3-layer
The OLDRAINBOW Industrial Pipe Shelves with Wood Planks 3 Tier 48in are very sturdy and have a high-end look once installed.
The combination of metal pipes and wood planks gives them a strong, rustic-industrial style that looks more expensive than expected. They feel solid and well-built, not flimsy at all.
Once mounted, the shelves feel very stable and can hold a good amount of weight, which makes them practical for books, decor, or kitchen items.
Overall, these shelves are both functional and visually impressive. They add a polished, high-end feel to the space and I am very happy with them.
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Reviewed in the United States on April 21, 2026
★★★★★ 5
Really sturdy. Beautiful addition in Kitchen
Size: 36in, Color: 3-layer
We put this up in our kitchen to hold our recipe books and other odds and ends. It is really beautiful and ties the space together nicely with the blank wall we had. It’s sturdy to hold several recipe books and a great price point for the quality. The only thing was that the second shelf did not line up from one pipe to the other. The top and bottom shelves aligned perfectly, so the pipes were leveled, but it seems that the pipes in the middle were not equal distance and the shelf wobbles. We’ll be putting something underneath one end to balance it out.
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Reviewed in the United States on June 29, 2024
★★★★★ 5
Exactly what I needed.
Size: 42in, Color: 2-layer, Size: 42in, Color: 2-layer
Perfect.
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Reviewed in the United States on May 3, 2026
★★★★★ 5
A Spa-tacular Addition to My Bathroom Oasis!
Size: 24in-Shelve
Perfect Statement Piece for My Spa-Like Bathroom!
I know this review is super delayed~I’ve been living out of the country, and only just got around to installing this beautiful shelving unit. But wow, it was worth the wait! I hung it in my bathroom above the jacuzzi tub where I have vaulted ceilings and a skylight, and it fits perfectly. It adds the perfect industrial-chic touch I was looking for.
I use it to store all my bath oils, salts, and candles, and it’s transformed the space into a relaxing, elevated sanctuary. The quality is fantastic and it was easy to install. Honestly, it looks like something out of a spa catalog. Highly recommend for anyone looking to upgrade their bathroom with both function and style!
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Reviewed in the United States on July 22, 2025
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