The light source is a single white LED bulb with a 50 lumen output. The flashlight consists of two separate pieces; a base that attaches to your keychain and the actual flashlight. They're ...

First of all, the iE3 is the quintessential keychain flashlight ... turn it on and then twist it back to turn it off. This handy light has just one mode – 90 lumens – and can throw about ...