Product details:

The Honeywell RTH5100B Deluxe Non-Programmable Thermostat incorporates a highly responsive and easily readable display screen. The accompanying screen has been extended in length and features a green backlit that makes dialing in your heating and cooling preferences an absolute breeze. Honeywell has also implemented its superior technology into this thermostat as it will readily monitor your home's temperature in an effort to minimize drops and swings and ensure absolute comfort. The design of the RTH5100B also allows users to select their preferred temperature in a precise fashion with a +/-1 degrees Fahrenheit option. Best of all, this model is compatible with all central heating and cooling systems that include heat pumps without an auxiliary heat source. Features Large Easy To Read Display. Precise temperature control of +/-1 degrees Farrenheit. Digital Heat and Cool. Soft-touch key operation. Works on all heating & cooling systems.