This 4G visual doorbell is equipped with a mature 4G communication module, compatible with all networks including 4G, 3G and 2G. It does not rely on local WiFi and can operate independently by simply inserting a SIM card. This design perfectly addresses the security and access control needs in outdoor, remote areas, and isolated villas where network wiring is inconvenient. The device integrates features such as high-definition video recording, two-way video communication, AI intelligent detection, multiple unlocking methods, access card management, and remote settings. It is combined with a dedicated Dingdong doorbell to form a complete access control system.
The equipment supports various usage methods such as local button operation, remote control via mobile APP, SMS command management, and card unlocking. It is suitable for multiple scenarios including home, commercial use, and parks, and possesses the core functions of doorbell, surveillance, and access control. It is a comprehensive security device integrating convenience, security, and intelligence, and builds a 24-hour intelligent security defense line at the doorstep.
Detailed parameters
Communication network: Compatible with 4G/3G/2G universal network
Camera: 200,000 pixel high-definition camera
Field of view: Horizontal 110° wide-angle
Night vision specification: Starlight-level night vision, automatic LED lighting on in complete darkness
Working voltage: DC 12V - 15V
Working current: Approximately 220mA
Standby current: Approximately 130mA
Operating temperature: -20℃ ~ 65℃ (resistant to high and low temperatures, suitable for outdoor use)
Body size: 140*100*36mm
Storage expansion: Maximum support for 128G Micro SD card (local video recording)
User password capacity: 250 groups (password length 2-8 digits can be customized)
Access card capacity: Maximum 1,000 cards (admin card + user card total)
Can be bound with mobile phone: Up to 5 groups (mobile phone or landline can be used)
Locking duration: Adjustable from 00 to 99 seconds (00 is the constant open mode)
Applicable scenarios
1. Single-family villa / self-built house: No whole-house WiFi, 4G independent network connection, remote intercom, remote unlocking, ensuring home safety, compatible with courtyard gates and entrance doors.
2. Farm / livestock farm / suburban park: In remote areas, no network wiring. High-temperature and low-temperature resistant body + AI detection, real-time monitoring of entrances and exits, preventing unauthorized entry by outsiders.
3. School / park / factory: Large-capacity access control cards, group password management, multi-person access control, seven-level unlocking methods compatible with employees, visitors, and managers.
4. Street shops / street-side stores: Outdoor installation, starlight night vision + real-time recording, doorbell， monitoring， and access control， more secure for night duty.
5. Homestay / rental house： Supports temporary period passwords， convenient passage for short-term visitors， remote viewing of door dynamics， reducing management costs.
