With Its Multipurpose Function, Wifi Smart Door Window Sensor Alarm, Contact Product Details Continuous 24/7 Monitoring: Stay connected and informed with immediate phone alerts whenever a door, window, cabinet, or drawer unexpectedly opens in both home and office environments. Ensure Home/Office Safety: Gain peace of mind with timely notifications for any inadvertently open doors or windows, empowering swift action to maintain a secure environment for your loved ones at home and ensuring workplace security. Simple and Flexible Installation: Choose between double-sided strip tape or metal screws for an easy setup. Additionally, use double-sided foam tape to align the two individual parts during installation. Multi-Purpose Security: Beyond doors and windows, this smart sensor serves various purposes by effortlessly securing garage doors, wine cabinets, mailboxes, safes, pet doors, cabinets storing sensitive documents, outdoor gates, medicine cabinets, and more. Unified Connectivity with MOBI-Smart Integration: This smart door and window sensor seamlessly integrates with other MOBI products within a single app, MOBI-Smart, offering a unified and convenient experience across your connected devices. Smart Compatibility: Connect effortlessly with Alexa and Google Assistant, enabling seamless integration among smart devices for enhanced home and office automation. 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.