Black emergency warning lights for distress calls
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
ProcessorHigh-performance embedded SOC processor
Operating systemEmbedded LINUX operating system
Sensor200W pixel CMOS sensor
Network4G/Wired
Video CompressionH.264/25FPS
Audio InputBuilt-in High-Sensitivity Omnidirectional Microphone
Audio OutputBuilt-in 5W speaker + 30W amplifier output
Audio formatG.711, G.713, GSM, PCM
Sound qualityProfessional echo cancellation and noise suppression
Network ProtocolSIP, TCP/IP, DNP
Network Port10/100M Adaptive Ethernet Port
Alarm Interface3 digital input ports, 2 digital output ports
Power supplyPOE/DC 12V 1A
Power consumption10W
MaterialAluminum alloy brushed panel with Q235 hot-dip galvanizing
Dimensions2200mm × 140mm, thickness 2mm (full thickness)
Operating temperature-30°C~75°C
Black emergency warning lights for distress calls - Zhejiang Dihu Technology Co., Ltd.