Gefen EXT-DVI-EDIDN DVI Detective N 4K UltraHD Video Device

Ensure uninterrupted, correct video output in mission-critical systems with the Gefen DVI Detective N EXT-DVI-EDIDN video capturing device. Designed to capture, store and emulate a display's EDID, this external unit prevents computers and video sources from losing resolution or refresh settings when displays are disconnected, switched or powered down. Supporting 4K UltraHD resolutions and packaged in a compact external form factor (3" width x 2" depth), the device seamlessly preserves display IDs so your workstations, digital signage and surveillance recorders always see a stable monitor configuration.

Ideal for security, surveillance, monitoring and professional AV environments, the Gefen DVI Detective N minimizes downtime and eliminates configuration drift in control rooms, kiosks and distributed display networks. The EXT-DVI-EDIDN is RoHS compliant and built for reliable field use—saving time on troubleshooting and ensuring consistent video delivery across complex deployments. Add the Gefen DVI Detective N to your deployment to protect display settings and streamline integration—perfect for surveillance installations, monitoring stations and pro AV projects.

• Prevents loss of display EDID to ensure consistent 4K UltraHD output across reboots and reconnections.
• Compact external form factor (3" x 2") for easy mounting behind displays, in racks or control consoles.
• Captures and emulates EDID (EXT-DVI-EDIDN) to maintain stable resolutions for surveillance, security and pro AV systems.
• RoHS-compliant build for dependable long-term operation in monitoring and digital signage installations.
• Plug-and-play operation reduces downtime and simplifies troubleshooting in control rooms and KVM environments.