Each kit comes with a AC/DC High Intensity LED Curing Light with adaptor. Uses 3AAA batteries(Not included) or AC adaptor (Universal adaptor input is 100-240 volt) Light Proof Applicator Tips, Ball Brushes, Introduction Letter and Light shield. Luxeon 75,000 to 100,000 hour 3 watt LED. 30cc Tuffleye Core and 10cc Tuffleye Finish.