... inch (1 to 4 meters)Video Compatibility:NTSC/PALProjection method:Front/Top/CeilingPower Supply:AC to DC adapter, AC 100-240V ... in standby modeOperating Temperature:10 to 30C,80%Maximum humidityI/O Connectors:USB port, earphone port, SD /MMC card reader, composite ... in standby modeOperating Temperature:10 to 30C,80%Maximum humidityI/O Connectors:USB port, earphone port, SD /MMC card reader, composite ...