SMITH&WESSON MICRO RAY LK 4LR44 Have a flashlight handy whenever the need arises with the Galaxy Micro Ray by Smith & Wesson. This flashlight is small, reliable, impact resistant up to 1 meter and waterproof. Clip this anodized aerospace aluminum constructed light on your keychain and never have to worry again. - Constructed from anodized aerospace aluminum - Twist ON/OFF switch - Impact resistant - Waterproof - Includes key chain split ring