Water Leak Detector Sensor Alarm: Smart Sink Overflow Monitoring Adjustable Wet Product Details 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. 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.