"Smart HD Video Recording: Audio and Video Synchronization."

Product information:

Recording mode: HD
Recording format: WAV
Recording Time: 200 (min)
Maximum number of recording files: 999
Memory card type: Expansion cards are not supported
Shell material: special ABS
Product size: Dial 49*49*13mm (mm)

Packing list:

Recording products *1, manual *1, data li ne *1, warranty card *1, packaging box *1