4CH CCTV独立混合安全数字网络Ahd DVR录像机
| 型号。 | HX-a3804bd |
| 视频压缩 | H.264 |
| 操作系统 | Linux的 |
| 接口类型 | BNC / VGA / HDIM |
| 音频输入/输出 | 4路 |
| DVR类型 | Ahd DVR录音机 |
| 硬盘 | 4TB |
| 显示系统 | PAL / NTSC |
| 移动应用 | Emeye |
| 混合模式 | 4 * Ahd 720p / 2 * Ahd 720p + 2 * IP 720p / 8 * IP 1080P |
| 商标 | 彗星 |
| 起源 | 中国深圳 |
| 类型 | 独立 |
| 压缩格式 | H.264 |
| 应用 | 商用DVR |
| 视频输入/输出 | 4通道 |
| 遥控 | 带遥控器 |
| 显示界面 | hdmi vga bnc |
| OEM | 支持 |
| Ahd DVR功能 | h.264,720 / 1080p,hdmi |
| 网络接口 | RJ-45(10M / 100M) |
| 证书 | CE / RoHS / FCC |
| 规范 | CE / FCC /符合RoHS / SGS |
| HS编码 | 8521909090 |



| 牌 | 彗星 | |
| 模型 | HX-a3804bd | |
| 系统 | 主处理器 | 工业嵌入式微控制器Hass Huaweiplatform Hi3521 |
| 操作系统 | 嵌入式LINUX操作系统 | |
| 系统资源 | 同时多通道视频,多通道流,多通道播放,多通道网络操作,USB备份 | |
| 接口 | 操作界面 | 16位真彩色图形菜单界面,鼠标,遥控器,按钮操作 |
| 图片显示 | 1/4/8/9屏幕(纯本地输入模式,例如,根据通道模式确定) | |
| 视频 | 视频标准 | PAL / NTSC(720P) |
| 图像编码 | H. 264(High Profile); | |
| 监控质量 | vga:hd hdmi:高清 | |
| 播放质量 | 1080 / 720P / 960H / D1 | |
| AHD访问 | 4×ahd 720phd 720pHD 720P | |
| AHD +访问 | 2×ahd 720p + 2×ip 720pimes; ip 720pimes; IP 720P | |
| 纯网络访问 | 8×ip 1080pp 1080pP 1080P | |
| 运动检测 | 支持 | |
| 音频 | 标准 | G。 711A |
| 对讲 | 支持 | |
| 视频录制和播放 | 视频模式 | 手动>报警>检测>定时器定时 |
| 本地播放 | 4通道(默认普通本地输入) | |
| 视频查询 | 时间搜索,日历搜索,活动搜索,频道搜索 | |
| 存储和备份 | 每个占用硬盘空间 | 视频: CIF 4〜5G /天*通道 D1 8〜10G /天*通道, 960H 12〜20G /天*通道 720P 24〜30G /天*通道 1080P 40G〜/天*通道; |
| 音频:691.2M /天*频道 | ||
| 视频保存 | 您当地的硬盘,网络 | |
| 备份方法 | 网络备份,USB硬盘,USB录像 | |
| 接口 | 视频输入 | 16通道BNC(1.0Vp-p,75欧姆),RJ45 |
| 视频输出 | 1 vga,1路,hdmi | |
| 环通输出 | 不支持 | |
| 音频输入 | 4通道RCA(200-2800mV,30K欧姆) | |
| 音频输出 | 1通道RCA(200-3000mV,5Kω)/ 1通道HDMIaudio输出输出 output | |
| 报警输入 | 自由 | |
| 报警输出 | 自由 | |
| 网络接口 | 自适应RJ45 10M / 100M以太网接口 | |
| 云台控制 | 1个RS485接口,支持20个以上的PTZ协议 | |
| USB接口 | 2个USB2.0接口,1个USB1.1接口 | |
| 硬盘接口 | 4个SATA连接器(每个最大支持4T) | |
| 无线接口 | 3G,WiFi(通过USB扩展) | |
| 其他 | Onvif协议 | 支持ONVIF2.3 |
| 电源 | 直流12v / 2a | |
| 外形尺寸 | 250mm(L)* 210mm(W)* 45mm(H) | |
| Model NO. | HX-A3804BD |
| Video Compression | H.264 |
| Operating System | Linux |
| Interface Type | BNC/VGA/HDIM |
| Audio Input/Output | 4CH |
| Type of DVR | Ahd DVR Recorder |
| Hard Disk | 4tb |
| Display System | PAL/NTSC |
| Mobile APP | Emeye |
| Hybrid Mode | 4*Ahd 720p/ 2*Ahd 720p + 2*IP 720p/ 8*IP 1080P |
| Trademark | COMET |
| Origin | Shenzhen, China |
| Type | Standalone |
| Compressed Format | H.264 |
| Application | Commercial DVR |
| Video Input/Output | 4 Channel |
| Remote Control | With Remote Control |
| Display Interface | HDMI VGA BNC |
| OEM | Support |
| Ahd DVR Feature | H.264, 720/1080P, HDMI |
| Network Interface | Rj-45(10m/100m) |
| Certificate | CE/RoHS/FCC |
| Specification | CE/FCC/ROHS/SGS |
| HS Code | 8521909090 |



| Brand | Comet | |
| Model | HX-A3804BD | |
| System | Main processor | Industrial embedded microcontroller Hass Huaweiplatform Hi3521 |
| The operating system | Embedded LINUX operating system | |
| System resources | Simultaneous multi-channel video, multiplesecondary stream, multi-channel playback, multi-channel network operation, USB backup | |
| Interface | Operator interface | 16 bit true color graphic menu interface, mouse, remote control, button operation |
| Picture display | 1/4/8/9 screen (in pure local input modes, forexample, determined in accordance with channelmode) | |
| Video | Video standards | PAL/NTSC(720P) |
| Image coding | H. 264(High Profile); | |
| Monitoring quality | VGA: HD; HDMI: HD | |
| Playback quality | 1080P/720P/960H/D1 | |
| AHD access | 4×AHD 720PHD 720PHD 720P | |
| AHD+ access | 2×AHD 720P + 2× IP 720Pimes; IP 720Pimes; IP 720P | |
| Pure network access | 8×IP 1080PP 1080PP 1080P | |
| Motion detection | Support | |
| Audio | Standard | G. 711A |
| Intercom | Support | |
| Video recording and playback | Video mode | Manual ﹥ alarm ﹥ detecting ﹥ timinggt; timing |
| Local playback | 4-channel (default plain local input) | |
| Video queries | Time search, calendar search, events search, channel search | |
| Storage and backup | Each take up hard disk space | Video: CIF 4~5G/day * channel D1 8~10G/day* channel, 960H 12~20G/day * channels 720P 24~30 G/days * channel 1080P 40G~/days * channel; |
| Audio: 691.2M/day * channel | ||
| Video save | Your local hard disk, network | |
| Backup method | Network backup, USB HDD, USB recording | |
| Interface | Video input | 16-channel BNC (1.0Vp-p, 75 ohms), RJ45 |
| Video output | 1 VGA, 1 Road, HDMI | |
| Loop-through output | Does not support | |
| Audio input | 4-channel RCA (200-2800mV, 30K ohm) | |
| Audio output | 1-channel RCA (200-3000mV, 5K ω)/1-channel HDMIaudio output output output | |
| Alarm inputs | Free | |
| Alarm output | Free | |
| Network interface | Adaptive RJ45 10M/100M Ethernet interface | |
| PTZ control | 1 RS485 interface, supporting 20 or more PTZprotocols | |
| USB interface | 2 USB2.0 interface, 1 X USB1.1 interface | |
| Hard disk interface | 4 SATA connectors (each maximum support 4T) | |
| Wireless interface | 3G, WiFi (extended through USB) | |
| Other | Onvif protocols | Support ONVIF2.3 |
| Power supply | DC 12V / 2A | |
| Dimensions | 250mm (L) * 210mm (W) * 45mm (H) | |