ACE interactive white board Specification: Receiver/Sensor: 1. Effective working area: 100 inches at max 2. Technology: IR+Ultrasound with Brandland's VPOT 3.USB device class: Miscrosoft Standard pen device 4. Sampling frequency: 70Khz 5. No. of receiving sensors: 2 units 6. IR receiving sensor: 1 unit 7. Power: USB 5 volt/ 100mA Digital pen: 1. Power: 3.7V/180m AH 2. Battery: Rechargeable Rithum. polymer battery 3. Recharging terminal: Earphone typed rechargeable jack 4. Button: 2 buttons, left button, eraser button 5. Battery monitoring: 2 step LED Indicator 6. Full recharging time: 1 hour 7. Continuous pen operating time: 20 hours 8. Power saving mode: Automatic power saving mode after 30 sec idle time 9. USB recharging mode: USB+Earphone typed jack 10. Dimesnion(HeightxDiameter): 130mmx15mm Interace: 1. Computer: IBM PC/AT or IBM PC compatible(with CD-ROM drive) 2. CPU: Intel Pentium or above or Intel CPU comptaible TYPE 3. Interface: USB 2.0 full speed or USB 1,1 4. Operating system: Windows XP/ VISTA/ Windows 5. RAM: 512MB or more Environment 1. Humidity: 0-90RH + 35íµ 2. Recommended operating tempreture: 0íµ to 40íµ SW Bundled 1. PenOnPC/Brandland EWB Calibration: Calibration SW 2. Ink Noted: Window Journal(for Windows 2000/XP) 3. ACE Board/Brandland/Electronic whiteboard: Board softare Feature: 1. Smoothness of character apperance 2. Easy to Install 3. Easy to maintain 4. Powerful functions for bundled board software 1pc/box(20x16x6cm), 20pcs/outer carton(40x30x40cm)