Our White LED Transilluminator features a spacious 25 x 25 cm viewing area illuminated by long life LEDs and is housed in a slim aluminum body. It's designed to safely enhance the visualization of DNA stained with FlashBlue, proteins stained with Coomassie Blue and autoradiograms. Expt. 552. Features: 25 x 25 cm Viewing Area 90 Lumens LED Chips Power Rating: 8 Watts Universal Voltage: 110/220 V Frequency: 50/60 Hz Two-Year Warranty Made in USA