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One-click alarm
DH-B04B
110 One-Button Emergency Alarm Box
110 Direct-Connect SOS One-Button Emergency Alarm Box, which provides one-button direct access to the police 110, dual-link emergency response, strong policy compliance, industrial-grade anti-violence and waterproofing, and wireless deployment without the need for wiring. It is designed for campuses, shops, hospitals, tourist attractions, and other scenarios that require police-level emergency support.
Features
Flexible choice of wired/wireless dual modesBuilt-in high-definition camera with large aperture and surround infrared lighting, providing 24-hour high-definition imagingOne-click direct connection to the local public security 110 command centerAlarm notifications include real-time footage from the scene, accurate device location, and basic location information sent to the public security platformSimultaneous response from both public security and internal security systemsNoise reduction and echo cancellation algorithm, effectively filtering outdoor wind noise, traffic noise, and ambient noise from shopsSupports dual storage on local hard drives and the public security cloud platform; data is encrypted and tamper-proof, with the entire event process fully retained.
| Processor | High-Performance Embedded System-on-Chip (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 channels, 2 digital output channels |
| Power supply | POE/DC 12V 1A |
| Power consumption | 10W |
| Material | Lead-free galvanized steel sheet |
| Dimensions | 268mm x 300mm x 100mm |
| Installation method | Wall-mounted |
| Operating temperature | -30°C~75°C |



