IPEVO Extension Wand for IS-01 Portable Interactive Whiteboard System Attaches to the IS-01 Interactive Pen  now you can reach larger and higher screen surfaces Point and present material without blocking the screen or the IS-01 Sensor Cam Effectively extends the length of the IS-01 Interactive Pen from 7.9" (20cm) to 23.8" (60.5cm) Durable aluminum construction; simple one-step installation and removal A great accessory for shorter learners; now everyone can participate