Energy saving TPI control Wireless enabled upgrade Two way wireless communication Wireless signal strength indicator Built in Economy or Comfort programmes on ST9520C Manufacturer Stock Code:Y9520Z1007 EAN Code:5025121385435 Weight:0.99 kg Sub-Category:Timer Brand:Honeywell Home Manufacturer Part Number:Y9520Z1007 Warranty:1 Years EAN Number:5025121385435 Category:Heating Controls Type:Wireless