This small light fits in the palm of your hand, but doesn't compromise on power. Put this light in your pocket or clip it to the brim of your hat and have light wherever you go. Streamlight® Penlight, Industrial Non-Rechargeable, Series: MicroStream®, LED Bulb, 45 Lumens, 30000 hr Average Life, AAA Alkaline Battery, 1 Batteries, Black, Aluminum Housing, IPX4 Enclosure, 0.6 in Dia x 3.5 in L