Riester ri-pen® Diagnostic Penlight (Single)

SKU: CP-RSTR-5071-526

Color: Black

Sustainable penlight for medical diagnosis with LED illumination 

  • Photo-biologically validated for lighting of pupils according to EN 62471:2008 
  • UV free light through LED illumination 
  • Better vision due to a centered light beam •
  • Nickel free • Improved hygiene – disinfectable 
  • Light aluminum casing with metal clip 
  • Simple on/off function 
  • Including batteries: 2 x Alkaline AAA, 1,5 V
  • 2-year warranty
  • 3 V LED 
  • 5.300 Kelvin 
  • 40.000 Lux max. 
  • Field of view approx. 40 mm diameter (distance 15 cm) 

Free Ground Shipping on All Orders over $99.99

Shipments to Alaska and Hawaii do not qualify for our free shipping offer. Please allow 1 to 2 extra days for processing your engraving order.

Returns & Exchanges within 90 Days

We like to keep things simple. We give you 90 days to try our products, and if you don't love your MDF Instruments product, simply initiate a return by contacting us here. Stethoscopes with engraving are not eligible for return. More Details


Yes, our Free-Parts-For-Life Program for MDF Instruments Stethoscopes (including eartips) is really free. Free-Parts-For-Life shipments will be sent to the shipping address on the original order or location of purchase. More Details

MDF Instruments Stethoscope Lifetime Warranty

Our quality and your satisfaction are important to us. Because of our relentless pursuit of quality, we are able to offer unrivaled warranties. Learn More.

 Contact Us

Call us at +1.818.357.5647 or send us a message here

Customer Reviews

Based on 1 review
Yiuing Lee Pinches
Great pen light, was sent wrong color

Pen light works great so far. Have been using for 3 weeks now. I ordered a purple color and blue color, but received two black pen lights. A little disappointed with the color, but satisfied with the working of the light.