Police Security Ear Hook Style Mini DVR ... and Cap clip type selectable* Great for military, police, security, law enforcement, sport etc using Model No. ... /3.7v optional, support 12 hours recordingApplicationsFor police, military, security, law enforcement, sport etc usingFull Set Includes ... manualPackage size: 270x205x75mm, Weight: 0.8KG Police Security Ear Hook Style Mini DVR Camera and Cap Clip