Replacement Pen for the IPEVO IS-01 Interactive Whiteboard System Interactive Pen accessory for use with the IPEVO IS-01 Interactive Whiteboard System (sold separately) Replace your missing Interactive Pen or keep a spare on hand for emergencies IS-01 turns your existing whiteboard or projector surface into an interactive whiteboard for lessons and presentations The Interactive Pen requires 2 X AAA batteries (included) Please note: IS-01 does not support multi-touch functions. Only one Interactive Pen can be in use at a time