
Alarm column
DH-B03Z
Black emergency warning lights for distress calls
A benchmark-level emergency terminal designed specifically for the urban night economy and high-end commercial scenarios. The overall design, including appearance, acoustics, optics, and protection, has been restructured to meet the fundamental needs of these scenarios.
Features
One-button SOS with instant alarm and dual-mode precise positioning, solving the main issues in outdoor emergency assistanceSupports multiple alarm channels; all devices ring at the same time when an alarm is triggered, preventing any missed alerts360° sound and light synchronization for deterrence, considering both night visibility and scene compatibilityBuilt-in high-sensitivity omnidirectional microphone + 30W high-power directional speakerEffectively filters out more than 90% of background noise (traffic sounds, night market noises, shop music)Professional echo cancellation technology, no echoes or howling soundsIndustrial-grade wide-temperature audio chip, ensuring sound quality remains unaffected in extreme temperatures
| Processor | High-performance embedded SOC processor |
| Operating system | Embedded LINUX operating system |
| Sensor | 200W pixel CMOS sensor |
| Network | 4G/Wired |
| Video Compression | H.264/25FPS |
| Audio Input | Built-in High-Sensitivity Omnidirectional Microphone |
| Audio Output | Built-in 5W speaker + 30W amplifier output |
| Audio format | G.711, G.713, GSM, PCM |
| Sound quality | Professional echo cancellation and noise suppression |
| Network Protocol | SIP, TCP/IP, DNP |
| Network Port | 10/100M Adaptive Ethernet Port |
| Alarm Interface | 3 digital input ports, 2 digital output ports |
| Power supply | POE/DC 12V 1A |
| Power consumption | 10W |
| Material | Aluminum alloy brushed panel with Q235 hot-dip galvanizing |
| Dimensions | 2200mm × 140mm, thickness 2mm (full thickness) |
| Operating temperature | -30°C~75°C |


