Power: One 3.0V Lithium or Li-ion rechargeable batteries only available here and here (3.0V rechargeable is workable, but may shorten the life of the bulb)
Material: Anti-scratch metal (grey)
Material: Aluminum metal (black)

Length: 2.76 "
Height: 0.79 "
Weight: 1.16 oz

Length: 7.0 cm
Height: 2.0 cm
Weight: 33 gram

Insert one CR123A battery into the flashlight to use.