The Heiman Wifi Water Leak Detector Is A Smart Water Sensor Alarm That Can Product Details Versatile: The HEIMAN Mini Water Leak Alarm can be placed anywhere to warn you of water damage. It is suitable for bathroom, kitchen, basement and more. High quality: Exclusive bird's nest design with 10 years sensor life. CR123A power battery lasts 5 years under normal use (included). Smarter: Unlike traditional water leak detectors, we not only come with 75db audible alarm and blue flashing reminder, we can realize APP notification by connecting wifi (2.4GHz Wi-Fi network ONLY). High Sensitivity: 2 bottom sensitive leak sensor probes to detect water level of 0.01in (0.22mm) IP67 waterproof technology: The outer shell is made of anti-UV material, it is guaranteed to work in humid and dusty environments for a long time (timely detect a minimum water level of 0.22mm and the threshold of water level is 1m.). Save more: For no more than $20, you can get a smart water leak detector for a safer, smarter life! our customer service is onlime 24hours, pls feel free to contact us! FCC CE Approved. FCC id: 2AK7X-WS2WL, CE NO: AT18220WC100541 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.