Register Booster Fan, Quiet Ac Vent Fan With Thermostat Control, Heating, White Product Features Quiet Smart Vents: A fan system designed to improve wall and floor airflow in HVAC systems, bringing convenience to your life. One-touch heating/cooling control: With heating and cooling thermostats to coordinate the temperature of each room. The fan speed is adjustable from 1 to 10, and the LCD screen is clearly displayed. Simple installation: 4 x 10 inch registered booster fans X1, power adapter X1 are prepared for you, plug and play, the easiest and the best. Rugged Case: Custom made premium aluminum case, painted with a matte finish that is sturdy and good-looking. Product Warranty: To provide you with a lifetime warranty of the product, you can contact us if you have any questions. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!