FNIRSI NVS-40 Digital Night Vision Device with 4K HD Recording
The FNIRSI NVS-40 is a digital night vision device capable of recording in 4K resolution and capturing images up to 36 MP. It enables observation in complete darkness at distances up to 300 meters using adjustable 850 nm infrared illumination and 6x digital zoom. The device features a 3-inch IPS display for live view and playback, supports two operating modes (day and night), and allows data export via USB-C. Powered by a rechargeable 18650 battery, it offers up to 8 hours of operation per charge for extended field use.
In daylight mode, the system supports observation of distant objects from approximately 2 meters onward, while night mode extends visibility up to 300 meters using an integrated 850 nm infrared illumination system. The IR system offers 7 adjustable intensity levels, allowing users to fine-tune illumination based on distance and environmental conditions. Combined with 6x digital zoom and manual focus control, the device provides flexible image adjustment for both wide-area scanning and detailed inspection.
A 3-inch IPS HD display provides real-time viewing and playback functionality directly on the device, eliminating the need for external monitors. Recorded photos and videos can be reviewed instantly, improving efficiency in field documentation workflows. The interface supports multiple languages, improving usability across different regions and applications.
Power is supplied by a replaceable 18650 lithium battery, delivering up to 8 hours of continuous operation. The device supports fast charging via USB-C, ensuring minimal downtime between uses. A microSD card slot supports storage expansion up to 32 GB, enabling direct recording and file management on the device. Additional mounting options include a tripod interface for stable long-duration observation and a wrist strap attachment point for mobility and safety in field conditions.
Performance highlights:
• 4K video recording and up to 36 MP images
• Night vision range up to 300 meters
• Adjustable 850 nm IR illumination (7 levels)
• 6x digital zoom with manual focus control
• 3" IPS display with playback function
• 32 GB microSD support and USB-C transfer
• 18650 battery with up to 8 hours runtime
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