Penlight
From Wikipedia, the free encyclopedia
A penlight is a small, pen-sized flashlight, usually containing two AA batteries. The incandescent light bulb has an integral lens that focuses the light, thus no reflector is built into the penlight.
A penlight is a small, pen-sized flashlight, usually containing two AA batteries. The incandescent light bulb has an integral lens that focuses the light, thus no reflector is built into the penlight.