PenStar Plastic LED Light Pen

our 'PenStar'plastic LED Light Pen have following characteristics: 1. With 2 LED at buttom of plastic LED light pen suitable for writing and reading in dark and work as touch for lighting in dark. 2. Economy: Plastic LED light pen use of alkaline button cells. 3. Wide surface on the plastic LED light pen convenient for logo printing. 4. Plastic LED light pen is welcomed by: Doctor, Nurse, Waitress, Police, Students, Businessman, Traveller,etc. 5.Packing details:1pc/opp bag 50pcs/inner box 500pcs/crton boxsize 60*30.5*17 weight: 9KG It have four states.Once you press the press the state changes. State1:The pen core out and the LED light work State2:The pen core insideinto the pen and the light off. State3:The pen core out State4:The pen core inside intothe pen