PenStar LED Light Pen

our ‘PenStar’ plastic led light pen have following characterisitics: 1. With 2 LED at buttom of Patent plastic LED light pen suitable for writing and reading in dark and work as touch for lighting in dark. 2. Economy: Patent plastic LED light pen use 1xAAA battery while other old style LED light pen using alkaline button cells. 3. High capacity: Capacity of AAA is much higher than alkaline button cells, 1xAAA lasting 20 hours. 4. Environment protect: Both battery and pen core in the Patent plastic LED light pen can be replaced; while old LED light pen is disposal and one-time use. 5.Wide surface on the Patent plastic LED light pen convenient for logo printing. 6. Patent plastic LED light pen is welcomed by: Doctor, Nurse, Waitress, Police, Students, Businessman, Traveller,etc.