The new App together with new programmable thermostat 4277
is genius combination. An intuitive App interface makes thermostat programming
easy and fast. The data transfer from smart phone or tablet is made with Visual Light
Communication (VLC) and therefore Internet connection is not required.

+ App for thermostat configuration
+ Intuitive weekly programming
+ Separate holiday programming
+ Professional settings protected by password
+ Settings can be saved for future use
+ Safe. No data sent or received from Internet