Item Type: Voice RecorderMaterial: Aluminum AlloyMachine Time: Self SynchronizationCharging Time: About 3 HoursPhoto Format: JPGCamera Format: AVILens Parameters: F NUMBER 2.25Photo Resolution: 1920x1080Camera Resolution: 1920x1080 30 Frames Per SecFOV: 65 DegreeBuilt In Polymer Lithium Battery: 800mAhPackage List1 x Voice Recorder1 x Charging Cable1 x Instruction Manual1BADGE TYPE RECORDER: Voice recorder integrated recording and video recording two modes, easy to wear, badge type recorder, work worry free. 21080P HD: Digital voice video recorder is sound and video synchronization, 1080P HD restore the real scene, suitable for students, teachers. 3AUTOMATIC COVERAGE: 1080P voice recorder memory full of new recording files automatically overwrite the earliest files, complete records. 4EASY TO OPERATE: Voice video recorder simple operation, a single button to open the recording, recording and saving, just a push. 5BEEP AND LIGHT ALERT: Voice video recording device will beep and light to remind when you turn on the recording.