... (Dental Equipment, Dental Device, Dental Product, Curing Light) LK2102 Dental LED Curing Light (Dental Equipment, Dental Device, Dental Product, Curing Light ... time setting 20 seconds(every 10 second,it sounds once)led red:pluse curing:interrupt radiating(every 10 second,it ... the later 10 seconds2.descriptionled LK660B built-in curing light(led 5w installed in dental unit)3.package includes the ...