Wattage: 300W

Lumens: 5500

Radiant Output: 75W

4W UV <390nm Output

Color Temperature: 5900K

Light Engine: Ceramic Xenon

Reflector: Parabolic

Y1911 is the exact same lamp. One number is for Pentax and the other is for aftermarket distribution.

Alternate Part Numbers: Y1964, ME300C-10F, Y1911, OL-X28, L-X29

Pentax

5000, 5010, 7000, 7010 Processors

EPK-I 5010

ROL-28, ROL-X28

Smith & Nephew

500XL