Carson Optical C.O.B. NeckLight. Impact resistant. C. O. B. LEDs. High and Low brightness settings. Flexible arms for ideal positioning. Anti-slip design. Great for hobbies crafts reading and small repairs. Requires (3) AAA batteries (not included). Hang packaged. Specifications for Carson Optical C.O.B. NeckLight: Manufacturer: Carson Optical Weight: 0.34 lb Package Contents: Carson Optical C.O.B. NeckLight