Brand New Built-in LED light Rubber non-slip grip Powered by one AAA battery(not included) 2 comb attachments for trimming eyebrows/mustaches. The 2mm/4mm Comb is for trimming shorter eyebrows/mustache hairs. The 6mm Comb is for trimming longer eyebrows/mustache hairs Trims hair with micro precision Note: Water will caause damage to your Trimmer. Do not use Trmmer in a damp room or near water. When not use, be sure the trmmer is turned off.