LED Light Pen Light up Pen Light for Night Writer with Extra Refills (Blue) Metallic Light Pen * Size: approx 17X3X2 CM With black Box package include one extra refills and one extra set of batteries for longer using. Low lighting in clubs and bars can be a burden on servers and customers alike. So add some helpful fun to the mix with one of these light up LED pens Write Easily in Dark Places With Light Up Pens Powered by cell battery ( installed and included) Ideal for anyone who needs to write or take notes in dark or low light conditions