Energy saving TPI (Time Proportional & Integral control) Wireless enabled upgrade Two way wireless communication Wireless signal strength indicator Built in Economy or Comfort programmes on ST9120C Manufacturer Stock Code:Y9120W1000 EAN Code:5025121385503 Weight:0.89 kg Sub-Category:Timer Brand:Honeywell Home Manufacturer Part Number:Y9120W1000 Warranty:1 Years EAN Number:5025121385503 Category:Heating Controls Type:Wireless