The Loctite® 7700-HD LED Light Source 1427232 is a versatile light emitting source designed for the effective curing of UV/visible light curing adhesives. This 7700-HD LED Source is designed for continuous duty usage and is equipped with an internal cooling fan. It can be used as a hand-held device or stationary mounted using the mounting bracket that is included. This innovative LED technology virtually eliminates substrate heating and emits in the 390 to 420 nm wavelengths. This light source offers a high-powered (typically 2.5 to 3 W/sq. cm*) LED that you can count on for consistent performance and long-term reliability. It is powered from the AC Power Adapter (item # 989929 included) thus eliminating internal batteries.