Ultrafire H4 Headlamp with a Strip and a Box (2x16340) Weight: 145 gram Volume: 10.7cmx2.4cmx2.1cm Ultrafire H4 Headlamp with a Strip and a Box (2x16340)SKU:S009933Net weight of the headlamp: 47gReference Pictures: Ultrafire H4 Headlamp with a Strip and a Box (2x16340)