Canon 9 LED Push Button Flashlight Durable and portable light source. The Canon 9 LED Push Button Flashlight is a portable and durable flashlight made of lightweight, durable aluminum. Its the perfect keychain flashlight, requiring only a three AAA batteries that provides hours of uninterrupted light. The 9 LEDs gives off a constant brightness of 50 Lumens and has a total lifespan of 50,000 hours of usage. The flashlight features an anti-roll design and a push button to turn the light on and off, and includes a detachable wrist strap.