I got a really nice one from TSC sale bin, it works great with penetration and lights them up nicely, BUT it has blue LED's so you can't see veins, just blobs and movement! (I didn't buy it with candling in mind, but decided to try it)
Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.