Proteus Ambio: Wifi Temperature And Humidity Sensor With Buzzer And Email And Product Details Cloud connected WiFi Temperature Humidity sensor with NO monthly charges Connects to your home or office wifi. No hub or gateway required. Sends alerts by email/ text messages to multiple phones and emails. Easy set up, plugs directly into wall outlet. Sensor sticks out 3 inches for improved accuracy. Contact us if you need longer sensor cable. Programmable smart buzzer can be turned off after few minutes to avoid prolonged beep noise 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.