Water Leak Detector Sensor Alarm: Home Water Flooding Monitor Smart Sink Product Features Drip Leak Alerts: Water leak detector alarm is designed with 4 rear water leakage detection probes and 2 front drip probes. There will have an alert when any of the three sets of probes were under the water. Wireless Easy to Use: No wire or setup required, just put it on any place where the water leak may be happening. Loud Alarm with Mute: Our 100dB alarm is loud enough to be heard, you can clearly know where the leak occurred and deal with it in time. IP66 Waterproof : It adopts IP66 super waterproof surface shell allows long-term use in high humidity areas and long battery life. Long Life Low Battery Alert: The sensor is energy efficient and one battery can last over 2 years under normal usage, Low battery alert function allows will beep and flash a red light when the battery is low. 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!