... camera used digital cameras, wireless dvr recorder security system, wireless dvr monitor security camera, ip hidden camera, camera, used ... dvr recorder, security system, wireless dvr monitor, security camera, ip camera, cctv camera, underwater security camera1. Wireless ... balanceautoFocusManual/AutoLensstandard: 3.6mmAudioprocessordouble directs voice Monitor(Built-out MIC)Audio gainauto audio gain ...