Coast LED Lenser LL7514 V9 Micro Torch Smallest Green LED keychain flashlight LL7514 V9 Micro Lenser LEDKeychain,Micro size,Green LED Crystal reflector tube system,14.3 mW bright LED Light output High Quality LED, IntenseGreen Beam 2 inch body length, our smallest,2.2 ounces Uses 4x AG3batteries included, run time100 hours