... DVR WCDMA/HSPA smart design Wireless Body Worn Camera 3G mini DVSSpecification1.3G video & audio scene collection ,Real-time transmission, ... inch TFT color screen,support video preview,support video playback,photo playback support,support power,video,image preview,photo,palyback icon ... hold 3 seconds for booting.video by clicking,stop by click again,switch to video camera under the preview condition. 13 ...