Rely on our Smith & WessonA(R) Micro Ray flashlight to be the extra light you need. This flashlight is small, yet reliable, impact resistant, waterproof and BRIGHT. Clip this compact aluminum constructed flashlight on your keychain and never be without light again. Includes: Twist ON/OFF Switch Key Chain Split Ring Self-defense tip with DNA retention Specs: 30 Minute Runtime Beam Distance Of 62 Meters Runs On (4) LR44 Batteries (included)