2.Mini torch light keychain wavelength:Around 650nm
3.Metal led torch keychain dimension:6L*2.5Dia.cm
4.Alminnum led torch keychain weight:17g
5.Two switches controlling separately(one for laser pointer, other for torch)
6.Portable in pocket or hand to mini torch light keychain
A powerful re laser pointer is good for teaching, presentation and field work and attract in pet Durable, practical, portable and drop-resistant.