SwitchBot W4402000 Water Leak Detector
Model overview
2
Price range
$15.49
—
$39.99
Variant spread:
Low
Available variants
Key differences
Dimensions
32, 78, 29 • 82, 85, 42
Item Weight
259 • 68
Sensors Included
3 • 1
How to choose
- Start with your budget: the visible price spread across variants is about 158%.
Trade-offs
Budget vs feature set
Higher-priced variants are more likely to include meaningful hardware upgrades.
Dimensions
Different values may change day-to-day usage profile depending on your priorities.
Item Weight
Different values may change day-to-day usage profile depending on your priorities.
Starting from $15.49
Last price update: 1/21/26
This water leak detector provides real-time notifications via Wi-Fi without requiring a hub, with high sensitivity that detects water as low as 0.5mm. It features a 100dB loud alarm, IP67 waterproof rating, and up to 2 years of battery life. Compatible with voice commands and smart home ecosystems like Amazon Alexa and Google Home, it offers app notifications and works on battery power with alkaline batteries included.