Each lamp specially designed to detect trace amount of fluorescent flaw indications through its built-in 3X magnifier lens, Fitted with 2 x 4 watts integrally filtered UV-A tubes and 2 x 4 watts white light tubes. Peak intensity 650 µW/cm2 at 15cm. 

It is UL listed and CSA approved.
Model: Q-22/F.
Origin: USA