Vivitar DVR 810HD - Manual (Page 47)

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Digital Zoom 8x
Self-timer 5s/10s
File Format JPEG ( Still Image) /AVI ( Video) / WAV (Audio)
Anti-Shake YES
TV out YES
Microphone YES
Speaker YES
Recorder YES
Interface USB 2.0
System
Requirements
Windows XP, VISTA or Mac OS X (10.4.6 or higher)
Battery 4*AAA
Working
Temperature
0-40 C