Description: 1. PJ100 made it realized that where there is a projector there is electronic whiteboard. 2. can transform any normal whiteboard into a full-function interactive whiteboard. 3. It has solved the signal Blocking problem which exits in Long-focus series product. Because the signal receiver is mounted on projector, after position calibration, no further calibration is required when connected to another PC or moved slightly . 4. USB,HID and BlueTooth interface could satisfy different needs according to using environment. Features: 1. Applied to any material including soft/hard screen and white wall. 2. Portable,strong adaptability, convenient installation, supporting large size display, strong anti - interference ability and high cost performance. Specification: Whiteboard Type: Interactive electronic whiteboard Operating Principle: Infrared image processing position tracking Active Area: Max 150inch Applied To: Any materials, including soft screen and white wall Aspect Ratio: 4:3, 16:9 Communication Interface: Connected to PC by USB Communication Distance: 5m by the USB standard communication distance Power Consumption: Less than 1w Response Time: Less than 25ms (it depends on the computer) Pointer/stylus E-pen Light Emitted: Infrared Pointer/stylus E-pen Buttons: 1 button Pointer E-pen Length: 36cm extendable up to 65cm Stylus E-pen Trigger Mode: High-sensitivity, omni-directional trigger Stylus E-pen Trigger Pressure: Less than 30g Battery Required: Pointer e-pen AA battery, stylus e-pen AAA battery OS Required: windows 2000/ XP/Vista/7, MAC OS X. .