Child-proof Lock Fast Pre-heating function 3D HOT AIR LED-display control, red: easy-to-use thanks to the time functions. Pop-out controls: for an easy to clean front. 3D hotair: perfect results thanks to optimal distribution of heat on up to 3 levels simultaneously - without taste transfer. EcoClean Direct: almost no cleaning is necessary thanks to a special coating of the rear wall that automatically absorbs grime.