1. Protect Safety of Your Home & Property. The indicator of the sensor will flash when water reaches the probe of the sensor; meanwhile, it will send an alarm signal to the gateway and push an alarm message to your phone, reminding you to take appropriate action. This helps reduce property loss. 2. Low Power Consumption & Low Battery Monitoring. The battery can be used for one year if the usage frequency is 20 times per day. It can also monitor real voltage; when the battery voltage is below 2.6±0.2V, it will send an alarm message to remind you to change the battery. 3. Easy to Use. Integrated waterproof design, battery-powered, and free of installation. 4. Made of ABS plastic, which is durable and environmentally friendly, and the appearance will not fade for a long time. Low power consumption helps detect leaks in your home while conserving energy and protecting the environment. 5. Application Places. The water sensor can be positioned according to user demand, suitable for kitchens, bathrooms, basements, garages, lofts, eaves, gardens, courtyards, balconies, etc.