This heater is a Wi-Fi-enabled device that can be controlled through a smartphone app. It has a built-in sensor that can detect the temperature and humidity in a room, and it can be set to automatically adjust the temperature to maintain a comfortable environment. The price drops from $49.99 to $27.99 when you clip the 30%  off coupon on the product page. Shipping is free.

Clip the 30% off coupon on the product page. This deal is valid only for Prime members.