What is the warranty on the Honeywell TH5110D thermostat?

The TH5110D is covered by a 5-year limited warranty against defects in workmanship or materials under normal use, starting from the date of consumer purchase. The warranty does not cover the battery, removal, or reinstallation costs. If the product is defective, you can return it to the place of purchase or call Honeywell Customer Care at 1-800-468-1502. (Page 14)