Feature: The smallest and lightest recorder with camera Tiny size for discreet observation and portability,variety use Built-in microphone for audio monitoring Real time recording in 3GP format Support micor SD/TF card, up to 2GB Play back video on cell phone or PC Built-in rechargeable Li-battery Specification: Dimensions:73 X 20 X 12mm Weight: 36g(including battery) CMOS chipset with 300,000 pixel View angle: 60 Degree Recording Video Format: 3GP 176 X 144 Video Size: About 550KB/minute Li-Battery Recording Time: Up to 2 hours Charging time: 3 hours Operating Temperature: 0 degrees Celsius to 65 degrees Celsius