... -touch 2. Touch by finger, normal pen and other object 3. Support Linux, Mac OS, WinXP, Win7, Win8, Vista D ... : 10% to 90% RH, non-condensingPower supplyUSB. Working voltage: +4.75V~+5.25V standard: +5VDC working current: <400mA Power: <1WCalibration9 ... cable, Mini-CD driver, manualCertificatesCE, FCC, ROHS. Warranty 2 year parts and technical support Finger multi-touch smart board with size from 30inch ...