Nu-Beca Electric Lice Comb With Handle El1001 Device 1 PCA small electrical charge with handle that isn't sensed by humans, but is lethal to the lice. It is intended to remove and or kill lice and nits from head (scalp) hair. Lice are destroyed as soon as they come into contact with the comb teeth! Battery Type : AAA Battery x 2 How to Use: Press On Off switch button maintain 2sec to operate. Led indicator on. Use as normal comb. Please use in dry hair LED will be ON and buzzer sound every 3sec. Buzzer will