portable whiteboard XC-W12
1. turn any surface into interactive whiteboard
2.easy to set up
3. cheap item

portable whiteboard  XC-W12 

Features:  

Human design: Multi-pressure sensitive stylus 

Automatic calibration function: one-button operation 

Leading positioning technology vision: walls, curtains can be written fluently

Variety of operating modes: indoor/outdoor, standard/high
Integrated flip document function
Feature-rich application software 

Specifications:

Signal receiver
Movement Detection Technology: Infrared
Active Area (max projection size): 150 inch diagonal
Active Area (horizontal angle): 33 +/- 2 degrees
Active Area (vertical angle): 0-30 degrees
Calibration Technology: Infrared Positioning
Active Distance (from projection screen): 1.5 - 5 m

Extendable Pointer----E-Pen (Electronic pen)
Movement Detection Technology: LED light
Control Buttons: 2 buttons (left and right click of a mouse)
Power Requirement: 2*AAA battery
Pen Body Dimension: 1cm (diameter)
Pen Body Weight: 36g (with battery)
Pointer Extendable Length: 34 cm up to 67cm
Pointer Weight: 47g

Stylus E-Pen 
Movement Detection Technology:LED Light
Control Buttons: 2 buttons (left and right click of a mouse)
Power Requirement: 2*AAA battery
Pen Body Dimension: 15cm (length); 18.5cm (diameter)
Weight: 30g (with battery)