Keychain Flashlights - Light when you need it! - from LightHound
There is no better place than your keychain to have a flashlight. You probably always have your keys, so you will always have a flashlight. We include a free keychain light with every order $20 and higher.
These are NEW PCB controlled keychain flashlights, press once for on, press again for off.
Uses two CR2016 batteries.