This product is either discontinued or we cannot get that from suppliers.
NEC Touch Module For Um Sst NP01TM, 255 Touch points, High responsiveness and performance, Auto-calibration, Fast and easy installation, Easy upgrade of interactive Multi-Pen projectors
The NP01TM Multi-Touch module in combination with NECs interactive ultra-short throw UMi Series or M2 Short-Throw projectors + NP04Wi Multi-Pen Module transforms any existing flat surface into a touch enabled workspace.