The K3 Flashlight from LED Lenser delivers 14 lumens of white LED light for a maximum of 1.3 hours. It is 2.7" long and weighs just over one ounce. It features a water resistant housing and comes with a key ring.
WhiteLite™ HP 1W AA uses a bright 1 watt LED to provide 15 Lux intensity at 10 meters. 3 economical AA batteries produce up to 30 hours of run time , up to 60 hours at 0.5 watts and up to 72 hours in flashing mode. Tough injection molded plastic housing is detachable for use as a flashlight.