The 19" Wall-Mount DVR Lock Box is a professional security enclosure designed to protect DVRs, NVRs, network switches and surveillance equipment from unauthorized access, tampering and physical damage. Featuring a compact wall-mounted design with a heavy-duty welded steel construction, it provides a secure and space-saving solution for CCTV systems, security monitoring stations and network installations.

The innovative front drop-down door opens to approximately 90 degrees and is supported by reinforced metal arms, providing convenient access for equipment installation, maintenance and cable management. A dual-cylinder locking system with two different keys enhances physical security and helps prevent unauthorized operation in public or unattended locations.

Inside the cabinet, adjustable 19-inch mounting brackets securely support standard 1U rack-mounted equipment, while an additional adjustable L-shaped retaining bracket accommodates non-rackmount desktop devices. Integrated VESA mounting holes (50×50, 75×75 and 100×100 mm) allow an LCD monitor to be installed directly inside the enclosure for local monitoring and system maintenance. Dedicated mounting tabs are also provided for a standard 10-inch PDU power strip, creating a complete power and equipment management solution within a single cabinet.

Manufactured from high-quality SPCC cold-rolled steel with a durable electrostatic powder-coated finish, the cabinet delivers excellent rigidity, corrosion resistance and long service life. Precision ventilation slots on the top, sides and bottom promote efficient natural airflow, while optional side cooling fans can be installed for applications requiring enhanced heat dissipation. Multiple cable entry openings ensure clean, organized routing for power and network cables.

Ideal for video surveillance systems, access control equipment, retail stores, schools, offices, warehouses, industrial facilities and remote monitoring stations, the DVR Lock Box provides reliable protection for critical security equipment. Erhong also offers OEM and ODM services, including customized dimensions, colors, logos, mounting configurations and accessories to meet specific project requirements and customer branding needs.

The SD Series 9U Double-Section Wall Mount Network Cabinet is designed for networking, telecom and CCTV installations that require convenient rear access and efficient use of wall space. Its swing-out dual-section structure allows technicians to open the rear section after installation, making cable routing, equipment adjustment and routine maintenance easier without removing the cabinet from the wall.

Built from SPCC cold-rolled steel with a durable electrostatic powder-coated finish, the cabinet provides reliable protection for standard 19-inch switches, patch panels, routers, DVR/NVR systems and other network equipment. Reinforced mounting rails ensure stable installation, while the lockable front door is available with tempered glass or perforated mesh to meet different visibility, ventilation and security requirements.

Top, bottom and rear cable entry openings support clean and organized wiring. The ventilated top panel can also accommodate optional cooling fans when enhanced airflow is required. Removable panels and the double-section layout improve access to internal components, helping installers complete projects more efficiently.

The 9U model measures 600 × 600 × 500 mm and is suitable for offices, telecom rooms, retail stores, security monitoring systems, schools and other commercial network environments. Its KD flat-pack design reduces shipping volume, improves container loading efficiency and saves warehouse space. Custom sizes, colors, door configurations, accessories and OEM packaging are available upon request.

The A Series 18U KD Network Cabinet is a professional floor-standing enclosure designed for secure installation and management of 19-inch networking and IT equipment. Featuring a knock-down (KD) flat-pack structure, it greatly reduces transportation volume and shipping costs while enabling efficient storage and fast on-site assembly. It is an ideal solution for distributors, system integrators and enterprise network projects requiring economical logistics and flexible deployment.

Constructed from high-quality SPCC cold-rolled steel, the cabinet provides excellent rigidity, durability and long-term reliability. The reinforced frame and standard 19-inch mounting rails offer stable support for switches, patch panels, routers, servers, UPS systems and other rack-mounted equipment. A tempered glass front door or high-density perforated mesh door is available to meet different requirements for visibility, ventilation and equipment protection.

The cabinet is designed with multiple cable entry points on the top and bottom panels, allowing clean cable routing and simplified installation. Ventilation slots and optional cooling fan units improve internal airflow and help maintain stable operating temperatures for critical network equipment. Removable side panels and lockable front and rear doors provide convenient maintenance access while enhancing equipment security.

The 18U capacity offers an excellent balance between equipment space and floor footprint, making it suitable for enterprise network rooms, security surveillance systems, telecommunications, educational institutions, retail environments, industrial automation and edge computing applications. Its modular KD design also helps reduce warehousing costs and increases container loading efficiency for international transportation.

As a professional rack manufacturer, Erhong provides OEM and ODM services, supporting customized dimensions, colors, logos, accessories and packaging according to customer requirements. Combining reliable construction, practical functionality and cost-efficient transportation, the A Series 18U KD Network Rack Cabinet is an ideal choice for modern network infrastructure and data communication projects worldwide.

Product Introduction
The B Series 6U KD Wall Mount Network Cabinet is a compact and cost-effective solution for protecting and organizing 19-inch networking equipment in limited spaces. Featuring a knock-down (KD) flat-pack design, it significantly reduces shipping volume and transportation costs while allowing quick assembly on site. This cabinet is ideal for distributors, system integrators and project contractors seeking efficient logistics and flexible inventory management.

Manufactured from high-quality SPCC cold-rolled steel with a durable electrostatic powder-coated finish, the cabinet provides excellent structural strength, corrosion resistance and long-term reliability. The reinforced 19-inch mounting rails ensure stable equipment installation, while the detachable side panels and lockable front door simplify equipment access and routine maintenance. Tempered glass and perforated mesh front door options are available to accommodate different security and ventilation requirements.

Designed with practical cable management in mind, the cabinet includes multiple top and bottom cable entry points, providing clean and organized wiring for switches, routers, patch panels, DVR/NVR systems and other rack-mounted devices. Ventilation openings on the top and bottom improve natural airflow, and optional cooling fans can be installed to enhance heat dissipation in demanding environments.

The 6U cabinet is widely used in enterprise networks, security surveillance systems, telecommunications, schools, offices, retail stores, industrial control systems and edge computing applications. Its compact dimensions make it particularly suitable for locations where floor space is limited while maintaining professional equipment organization and protection.

As a professional manufacturer, Erhong provides OEM and ODM services, customized dimensions, colors, logos and accessories to meet different market requirements. The B Series combines reliable performance, flexible customization and economical transportation, making it an excellent choice for global networking and IT infrastructure projects.