PD2A16 16Channel 4K Universal Port DVR with 4 Bonus IP Channels, no HDD included Overview This PD2A16 DVR records up to 4K resolution and accepts a wide range of camera formats. Universal ports let you mix TVI, AHD, CVI, analog, and IP cameras on the same unit, and four additional IP channels are provided as bonus capacity. The unit ships without a hard drive so you can choose the storage size that meets your needs. Key benefits Flexible camera compatibility: Works with TVI, AHD, CVI, analog, and IP cameras, reducing the need to existing cameras when upgrading the recorder. resolution capture: 4K recording capability improves image detail for clearer identification and evidence capture. Scalable channel capacity: Supports 16 primary channels plus 4 bonus IP channels for a total of up to 20 camera streams, allowing phased expansion without replacing the DVR. Installer friendly: Universal ports simplify wiring and system design when mixing camera types at a single site. Buyer control of storage: No HDD included so you select the drive capacity and endurance that match your recording schedule and retention policy. Key specifications and functions Model: PD2A16 Channels: 16channel universal input Additional IP: 4 bonus IP channels Supported formats: TVI, AHD, CVI, analog, and IP cameras Maximum resolution: 4K recording capability Storage: No hard disk drive included; HDD must be installed separately Primary function: Centralized video recording and management for multicamera surveillance systems How this DVR solves common problems Mixedsystem upgrades: Use the PD2A16 to bring legacy analog cameras into a resolution recording environment without replacing all cameras at once. Limited budget expansion: Add IP cameras over time using the bonus channels while keeping core analog infrastructure in place. Evidence quality needs: 4K capture helps produce clearer stills and video for review and documentation. Practical applications Retail storefront: Monitor sales floor, entrances, and stock rooms using a mix of existing analog cameras and IP cameras to cover priority zones in 4K. Small to medium office or warehouse: Centralize camera feeds from multiple areas, expand coverage with additional IP cameras for exterior lots or loading bays, and choose HDD capacity to meet retention requirements. Multisite branch location: Standardize on a single DVR model for consistent recording quality while supporting a variety of camera types already installed at different branches. What to know before The DVR does not include a hard disk drive. Install a compatible drive before relying on continuous recording. Verify camera compatibility and intended video formats to take full advantage of the universal ports and 4K capability. Plan storage capacity based on the number of cameras, resolution, frame rate, and desired retention period. This PD2A16 DVR is designed for users who need a flexible, resolution recorder that supports mixed camera environments and allows staged upgrades while controlling storage choices.