1.The smallest and lightest recorder with camera; 2.Tiny size for discreet observation and portability, variety use; 3.Built-in microphone for audio monitoring; 4.Real time recording in 3GP format; 5.Support micor SD card from 128MB to 2GB 6.Play back video on cell phone or PC; 7.Built-in rechargeable Li-battery.(Li-Battery Recording Time: Up to 2 hours; 8.CMOS chipset with 300,000 pixel 9.View angle: 60 Degree 10.Recording Video Format: 3GP 176 X 144 11.Video Size: About 550KB/minute 12.Operating Temperature: 0 degrees Celsius to 65 degrees Celsius