A compact home water leak detector that alerts in real time when moisture is detected. For peace of mind when away from home, the SwitchBot WiFi Water Sensor sends app and email notifications without needing an extra hub. Is hub-free, highly sensitive leak detection the right fit for your household?
⚡ At a Glance
- • Detection Sensitivity: Four sensor probes detect water levels as low as 0.5mm
- • Best for: Laundry rooms, under sinks, basements and appliance gaps
- • Not ideal for: Locations without a stable 2.4GHz Wi‑Fi connection
Connects directly to 2.4GHz Wi‑Fi and sends app and email alerts when moisture is found. A 1 metre sensing cable and IP67 rating suit narrow or humid locations.
Catch tiny drips before they escalate - with four sensor probes and 0.5mm sensitivity
Four probes positioned at the top and bottom register the presence of water and detect a low water level from 0.5mm. The probe arrangement allows detection across the sensor body and at the end of the cable.
Early warning of small leaks helps prevent long-term damage to flooring and stored items. Ideal for spotting slow pipe drips or small appliance leaks before they worsen.
Get alerts remotely without buying a hub - with direct 2.4GHz Wi‑Fi and app/email notifications
The sensor connects to 2.4GHz Wi‑Fi and uses BLE for initial setup, enabling immediate push notifications and emails once moisture is detected. Device sharing allows family members to check status remotely.
Homeowners can react to leaks while away, reducing response time and potential damage. Multiple users can monitor the same sensor for shared properties or family homes.
Make sure someone hears the alarm locally - with a 100dB siren, 1 metre probe and IP67 sealing
A built-in 100dB high-pitched alarm provides local audible warning, while a 1 metre extended sensing cable reaches narrow or distant spots. The enclosure meets IP67 standards and ships with 2 x AAA batteries.
The loud alarm alerts occupants in nearby rooms or basements, while waterproofing and long battery life reduce maintenance needs. The cable allows placement in tight gaps behind appliances or at tank bases.
✨ The 4 Key Reasons for SwitchBot WiFi Water Sensor
- No hub required - Instant app and email alerts over your 2.4GHz Wi‑Fi network
- 1 metre sensing cable - Reach narrow gaps and monitor deeper water levels remotely
- 100dB audible alarm - Loud local warning that can wake occupants or alert neighbours
- IP67 plus 24-month battery life - Robust for humid spaces and low maintenance over time
📋 Technical Details at a Glance
- Category: Home Improvement, Water Leak Detector
- Connectivity: 2.4GHz Wi‑Fi, BLE for setup
- Supported Wi‑Fi band: 2.4GHz only
- Detection sensitivity: Detects down to 0.5mm of water
- Sensor probes: Four probes, top and bottom
❓ Frequently Asked Questions
Q: Do I need an extra hub to get alerts?
A: No, after connecting to a 2.4GHz Wi‑Fi network the sensor sends real-time app and email notifications without purchasing an additional hub.
Q: How sensitive is the sensor to small leaks?
A: Four sensor probes can detect water from as little as 0.5mm, making the unit suitable for spotting drips and minor seepage.
Q: How long do the batteries last and will I be warned when they run low?
A: The unit ships with 2 x AAA batteries and has a battery life of up to 24 months, and the app will send a low-battery notification when replacement is needed.
🏆 Our Verdict
Suitable for homeowners, landlords and anyone wanting early, low-maintenance leak detection in tight or humid spaces. Sensitive 0.5mm detection, hub-free Wi‑Fi alerts and a loud 100dB alarm combine to reduce reaction time and potential water damage. A practical, long-term safeguard thanks to IP67 protection and up to 24 months of battery life, ideal for peace of mind.
