High Power LED Curing Light - Slim, Powerful, Cordless Coltulux®LED combines a slim curing probe with high output in a cordless lightweight pen-style design. Its heat sink technology reduces the amount of heat emission and eliminates the need for a fan. • Slim curing probe is ideal for hard to reach posteriou areas. • Done shape lens concentrates light output on the restoration. • LED light output matches the absorption spectrum of Camphorquinone - CQ Photoinitiators. • Audible signal every 10 seconds and automatic power saving sleep mode after 60 seconds of operation. • Hundreds of cures with a fully charged battery.