4 Channels High Definition Hard Disk Mobile DVR User Manual HD 720p Car Camera DVR Video Recorder

GPS module,3G/4G module,WiFi (2.4/5.8GHz) module,you can choose a model according to your request. Module JH4-HD-NNN JH4-HD-GNN JH4-HD-GWN JH4-HD-GEN JH4-HD-GFN JH4-HD-GNW-5.8 JH4-HD-GWW-5.8 JH4-HD-G