HARMAN WIRELESS ROOM SENSOR THERMOSTAT Fits Models: ~ Absolute43 ~ Absolute63 ~ Allure50 ~ XXV-TC ~ Accentra Insert 52i-TC Part Numbers: ~ 3-20-777556 Specs: ~ Harman Wireless Room Sensor Thermostat ~ Wireless temperature control anywhere in your home ~ Wireless design, simple installation ~ Genuine Harman OEM Replacement Part ~ Guaranteed Newest Stock ~ Exclusive 90 day manufacturer warranty with our no hassle replacement guarantee ~ Made in the USA