Timeguard TGBD4 Digital Immersion Heater Towel Rail Booster Timer Up To 4 Hours\n\nBoostMaster Digital Countdown Switches now added to the range providing timed output at the single press of a button. Automatic timed countdown selections of up to 4 hours with clear LED output status. Simply replace existing single gang connection units or fixed appliance outlets.\n\n4 Hour maximum time on set in 30 minute increments\n\nBoost button with backlight disable feature\n\nIdeal for immersion heaters, room heaters, towel rails and lighting.\n\nReplaces existing single gang connection unit fixed appliance outlets.\n\nMultiple on times can be selected and viewed via the clear LED output display panel.\n\nEasy push button selection.\n\nFits a standard flush or surface mount BS wall box.\n\nSpecification\n\nOperating Voltage: 230V AC\n\nFrequency: 50Hz\n\nEarth Class Rating: Class II\n\nOperating Temperature: 0\u00B0C to 45\u00B0C\n\nMounting Hole Centres (mm): 60\n\nStandby Consumption: <1.3m