HONEYWELL TH5220D1003 PREMIER WHITE 24V/750 MILLIVOLT FOCUS PRO MULTI-STAGE NON-PROGRAMMABLE DUAL POWERED DIGITAL THERMOSTAT 2 OR 3 WIRE 2H-2C 3.75 SQ. INCH INCLUDES BACKLIGHT 40-90F
* Large, Clear Backlit Digital Display - Easy to read in various lighting conditions.
* Easy-Access Battery Replacement - Flip-out door allows for easy battery replacement without removing or disassembling the thermostat.
* Precise Comfort Control (+/- 1°F) - Maintains consistent comfort at the highest level of accuracy.
* Display Size Options - Available in large screen or standard.
* Dimensions - 3 9/16"H X 5 3/16"W X 1 1/2" D