... terminal AIO:TZ8002 It includes:projector,computer,central control,power amplifier,speakers,wifi ... Frequency response20-20kHzRated power15WMaximum power30WElectronic board system specificationsPhotographic chip typePhotoelectric sensorScreen sizeProjection ... battery (1200mAH)Transmitting distance150MSystem requirementsOperating systemWindows2000,XP,2003,Vista,Win 7VolumeLength 365mm * width ...