What You'll Need

Step-by-Step Setup

Activate the sensor: Remove the battery insulation tab from the bottom of the detector. The LED flashes green.
Open SwitchBot app: Tap "+" and select "Water Leak Detector" from the available devices.
Pair the detector: The app will search for nearby devices. Select your detector when it appears.
Link to hub: For remote notifications, select your SwitchBot Hub to enable cloud connectivity.
Name your detector: Give it a descriptive name like "Under Kitchen Sink" or "Water Heater."
Test the sensor: Place a few drops of water on the metal probes to verify the alarm sounds.
Position the detector: Place flat on the floor near potential water sources with probes facing down.
Optional extension probe: Connect the included extension cable for hard-to-reach areas.

Immediate detection: Loud 100dB alarm sounds within 3 seconds of water contact
Push notifications: Instant smartphone alerts when connected via hub
Extension probe: Included 1.5m cable for detecting leaks in tight spaces
Low-profile design: Slim enough to fit under appliances and in cabinets
Long battery life: Up to 2 years on a single CR2 battery
Works standalone: Local alarm works without hub; hub adds remote alerts

No alarm during test: Check that battery tab was fully removed. Replace battery if needed.
No app notifications: Ensure detector is linked to a hub. Check notification permissions in phone settings.
False alarms: Clean metal probes with dry cloth. Condensation or high humidity can trigger detection.
Alarm won't stop: Remove detector from water and dry the probes. Press button to silence temporarily.
Detector offline in app: Move hub closer or check hub's WiFi connection.