X-Sense Smart Water Leak Detector, Wi-Fi Water Sensor, An Accessory For, Pack Product Features Note: The alarm cannot be directly added to the app and a base station is required Expand Your Smart Home Your Way: The SWS51 is an accessory for SWS54 water detector kit (compatible with FS31 smoke alarm kit); long transmission distance of 1,700 ft (500 m); simply press the test/silence/pair button to connect the sensor to the base station and add up to 50 devices Real-Time Notifications: When a water leak is detected, a push alert will be sent to your phone, so you?ll be alerted quickly even while you are not at home; you can share the device with your family members so they can also check the device status anytime, anywhere (Note: The SWS51 water leak sensor needs to be paired with the X-Sense SBS50 base station to be used.) Know from Anywhere: Once triggered, the water leak sensor and base station will sound simultaneously at a volume of up to 110 dB ? loud enough for everybody to hear; simply mute the alarm via the app or push the silence button on the base station or water leak sensor High Sensitivity: The SWS51 water leak detector is equipped with 2 top sensor probes and 4 bottom sensor probes to detect water leaks and floods; provides an early warning of water damage and is ideal for kitchens, bathrooms, basements, and more Wire-Free and Sleek Design: No wiring or setup required; only measuring 1" (29 mm) in diameter, this water leak sensor is small and compact enough to fit anywhere and nicely blends into any home decoration; has a 5-year lifespan with 3-year replaceable batteries (included) Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!