SLC35A 1.Light intensity >1000mW/cm2, 5 watt LED 2.BEEP at each 5-seconds 3.Various Curing Time: seven preset curing time 5/10/15/20/25/30/40 seconds 4.Three Preset Programs a. Full power all the time b. Generally increasing power in first 5 seconds, then full power till the end. c. Generally increasing power in first 5 seconds, then half power till the end 5.Inner Build-in Radiometer 6.Cord/cordless 7.When ruuning out of the battery, the unit can be operated directly with the switching power adapter. 8.High Output: Full supply of power can satisfy 10-second curing time for 200 times. 9.Fully guaranteed for one year.