Ltpgtthis thermostat allows the setting ampamp monitoring of the house temperature from a smartphone or heating remote in conjunction with the boiler switch it can provide a fully customisable heating system that can be programmed and timedltbr gtltbr gtltpgtltulgtltligttx transmitterltligtltligtrx receiverltligtltligtremote controlltligtltligtradio frequency 868mhzltligtltulgt