SENSORSPriceQuantity
Honeywell C7089R1013
Honeywell C7089R1013
Wireless Outdoor Temperature Sensor
$42.99  
Honeywell C7189R
Honeywell C7189R1004
Wireless Indoor Air Sensor
$30.99  

THERMOSTAT MODULESPriceQuantity
Honeywell REM5000R1001 Honeywell REM5000R1001
Wireless Portable Thermostat Control for Honeywell RedLINK™ Enabled Systems
$73.99  
Honeywell THM6000R
Honeywell THM6000R1002
RedLINK Internet Gateway
$79.99