... support GPS, SMS , alert, DVR WCDMA/HSPA smart design Wireless Body Worn Camera 3G mini DVSSpecification1.3G video & audio ... D1.7Audio disposalAAC compression,AAC decoding,support two-way intercom function.8MemoryA micro SD POP socket interface,Maximum support ... can leave a small hole.16Wireless controlBuilt in wireless control,suport separate wireless remote control for the record and photo,urgency ...