CookTek Incogneeto Hot-Hold Buffet System B652.U2CookTek Incogneeto Hot Hold Buffet System B652. U2 The Incogneeto Invisible Hot Hold Buffet System, features the MagneetoTM 2 wireless receiver. This unit is installed directly beneath stone or engineered stone counter tops, which are mounted upon a rail system. The MagneetoTM 2 acts as a temperature sensor and wireless communicator, allowing heat to the chafer. Four standard selectable temperature settings allow users to select their ideal cooking