Its a small elegant item which does something quickly and easily that no one thought could be done at all needs no batteriesour amazing award winning nitty gritty nitfree comb quickly and easily removes not only head lice and unsightly nits empty egg cases but also extracts live head louse eggs before they hatch instead of nasty chemicals it gets the job done using advanced design and old fashioned common sense we are very proud of it and if you dont think its the best head lice p