1 AAA batteries required. (included) Showing the single result Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Sort by editor review Added to wishlistRemoved from wishlist 0 Add to compare Sensi Smart Thermostat, 100 Years Of Expertise, Wi-Fi, Data Privacy, Programmable, Easy DIY Install, Works With Alexa, Energy Star Certified, Mobile App, ST55 Added to wishlistRemoved from wishlist 0 Add to compare $129.99 Original price was: $129.99.$94.90Current price is: $94.90. 27%