Outdoor Contact Sensor By Ring Alarm. Product Details Help secure outdoor gates, sheds, guesthouses, and windows with Ring Alarm Outdoor Contact Sensor. Get mobile alerts when your outdoor gate opens, or set the sensor to automatically trigger your Ring Alarm siren when armed in Home or Away mode. With its weather-resistant design, the Ring Alarm Outdoor Contact Sensor can withstand outdoor use in most climates. Outdoor Contact Sensor comes with mounting tape and screws for easy installation on most surfaces. Requires Ring Alarm or Ring Alarm Pro. Ring Alarm and the professional monitoring service are available and ship only within the U.S. (excluding territories) and Canada. If you?ve enrolled in Professional Monitoring, you can choose to receive a call from the monitoring center when the Outdoor Contact Sensor is triggered and request emergency assistance if needed. 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.