The White Rodgers Emerson BLUE 1F86-0244 Thermostat features an easy-to-read 2 square-inch blue display with exclusive easy push-connect color-coded terminals and a 5 Year Warranty. All models are dual powered. Exclusive 2" Blue Features 2-square-inch Blue display with easy-to-see characters Exclusive Cool Savings feature saves energy during peak A/C demand periods Long battery life ? uses 2 ?AA? alkaline batteries (included) Exclusive battery power monitor 5-year warranty Display Easy-to-read LCD with improved contrast Lighted display for easier low-light viewing Comfort Convenience Permanent program retention during power loss Setpoint Hold Simple ?setup? menu to activate optional features Soft-touch keypad Display temperature recalibration (+/- 4) Easy access battery compartment Performance Dual-Powered?choice of battery-powered or hardwired, for all applications Fast (FA) or slow (SL) heating cycle anticipation Easy-to-wire push-connect color coded terminals Compressor lockout protection Millivolt compatible Electric heat option If you are not satisfied for any reason products may be returned within 30 days of shipment for a credit or exchange (provided the product is undamaged), except where noted, NOT RETURNABLE. Return documentation should clearly specify credit or exchange. Returned items must be in the original packaging. All returns must include a return authorization (RGA) number that can be obtained by contacting our Customer Service Department. Original shipping cost deducted. Reference to brand names and numbers are for reference only, and not meant to imply that they are made by that manufacturer (OEM). Sometimes images shown are generic and not meant to infer that they are actual. The parts will work as intended and are high quality and precision tested. Track Page Views With Auctiva's FREE Counter