Touch free sensor is activated when hands are placed within the set range under spout. 0.6 sec delay for ON and 2 sec delay for OFF. Automatic power cut off in cases of irregular use over 120 seconds, sensor reset during normal use.  Drying time 20-25 seconds. 120 and 220 volts. 2,400 watts. 70 db noise level. Mounting hardward included. 11"W x 8-1/2”D x 9-3/4”H. 5-year warranty. Stainless steel.