Using a tiny flashlight attached to your keys comes with the annoyance of jangling your keys around anytime you try to shed light on something. The Prometheus Beta-QR Flashlight is a simple solution. The quick-release flashlight is a seriously powerful LED light that you can easily detach from your key ring when need be. It has both a high and low mode and runs on a AAA battery. Available in three aluminum finishes and one solid copper option, the flashlight also happens to look sleeker than most cheap key chain options out there.