5 Year Warranty Battery Included Can be installed standalone or part of an existing system, including conventional and combi boilers, and new heating systems. Easy-to-read, energy-efficient LED-based display that turns off when the screen is not in use. Integration with smart devices such as Honeywell Home evohome and the HCC100 underfloor multi-zone controller. Manufacturer Stock Code:DTS42WRFST20 EAN Code:5059085002671 Sub-Category:Thermostats Brand:Honeywell Home Range:DT4 Category:Heating Controls Type:Wireless