F145RF-1600 White-Rodgers Remote Wireless Indoor/Outdoor Sensor  - used with 1F98EZ-1621 Wireless Thermostat System

Features:

• Configurable for indoor or outdoor use
• Dimensions - 3.3"W x 4.6"H x 1.5"
• Uses (2) AA alkaline batteries (included)
• Up to 3 wireless temperature sensors can be located in optimum control locations and provide an average temperature for control
• As outdoor sensor - can be used to establish balance point for dual fuel systems