Tp-Link Tapo Smart Water Leak Detector, Requires Tapo Hub, Water Leak Sensor Product Details Protect your home from any water damage with Tapo T300, Tapo?s first smart water leak sensor. Featuring six highly sensitive sensor probes, Tapo T300 triggers its siren in as little as 1 second to alert users immediately and prevent worse water damage. Sensor probes on the top and bottom are designed to detect both drips and leaks. Receive an instant app notification when a leak happens or the batteries run low. Find out even while away from home. Tapo T300 alerts you immediately with its adjustable 90 dB alarm when leakage occurs. Press once to silence the alarm after you find the spot. It can also trigger the Hub alarm for additional audible alert coverage. Two replaceable AAA batteries provide up to 3 years of battery life (Battery life of up to 3 years is based on TP-Link's laboratory results. Actual battery life may vary depending on working conditions and environments). ?1-Second Rapid Detection and Response Dual-Side Sensing?Featuring six highly sensitive sensor probes, Tapo T300 triggers its siren in as little as 1 second to alert users immediately and prevent worse water damage. Sensor probes on the top and bottom are designed to detect both drips and leaks. ?Instant App Notifications?Receive an instant app notification when a leak happens or the batteries run low. Find out even while away from home. ?90 dB Built-in Alarm?Alerts you immediately with its adjustable 90 dB alarm when leakage occurs. Press once to silence the alarm after you find the spot. It can also trigger the Hub alarm for additional audible alert coverage. ?3+ Year Battery Life?Two replaceable AAA batteries provide up to 3 years of battery life (Battery life of up to 3 years is based on TP-Link's laboratory results. Actual battery life may vary depending on working conditions and environments). ?IP67 Waterproof?Tapo T300 meets the IP67 rating against water and dust and is able to withstand humid and dusty environments. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.