FNIRSI NVS-20 4K Night Vision Monocular 6x Zoom The FNIRSI NVS-20 is a portable digital night vision monocular for day and night observation, photo capture, and video recording. It combines 6x optical zoom, up to 8x digital zoom, a 3W 850nm infrared illuminator, 4K video recording, and up to 36MP photo capture in one handheld device. The NVS-20 supports full-color daytime viewing, low-light operation, infrared night vision, and onboard media storage with a 32GB TF card. Its large 3.5-inch display, rechargeable 4000mAh battery, and Type-C charging make it practical for extended outdoor observation and field documentation. For embedded vision and night camera projects, compare it with the DFRobot Night Camera Module for Raspberry Pi, DFRobot 5MP Night Vision Camera, and DFRobot 2MP USB Night Camera. For wide-field robotic or inspection vision, see the Wheeltec C100 Wide FOV Camera and 720P USB Camera Module. Technical Specifications Brand FNIRSI Model NVS-20 Product Type Digital night vision monocular telescope Image Sensor 1/3-inch CMOS sensor Photo Resolution Up to 36MP Video Resolution Up to 4K Display 3.5-inch screen Optical Zoom 6x Digital Zoom Up to 8x Infrared Light 3W 850nm infrared illuminator Infrared Levels Adjustable multi-level infrared illumination Day / Night Modes Daytime full-color, low-light, and infrared night vision modes Night Vision Distance Up to 500m under suitable conditions Storage 32GB TF memory card included / supported Battery 4000mAh rechargeable lithium battery Charging Interface USB Type-C Functions Photo capture, video recording, playback, and infrared night observation Integration Notes & Hardware Guidance Use daytime color mode in bright environments and switch to infrared mode only when visible light is insufficient. Night vision distance depends on ambient light, target reflectivity, weather, and infrared illumination level. Higher video resolution and stronger infrared output increase power consumption, so charge the battery before long observation sessions. Use the included TF card for recording, and back up important files before formatting or long reuse cycles. Avoid pointing the optical system directly at intense light sources for extended periods to protect the sensor and preserve image quality. Packing List FNIRSI NVS-20 night vision monocular × 1 32GB TF memory card × 1 USB Type-C charging / data cable × 1 Neck strap or hand strap × 1 User manual × 1 Retail package × 1 FAQ Can the FNIRSI NVS-20 be used during both day and night? Yes. It supports daytime full-color viewing as well as low-light and infrared night vision modes. What is the maximum video and photo resolution? The NVS-20 supports up to 4K video recording and up to 36MP photo capture. Does it include infrared illumination? Yes. It includes a 3W 850nm infrared illuminator with adjustable infrared levels for night observation. How far can it see at night? FNIRSI lists night vision distance up to 500m under suitable conditions. Actual distance depends on light, weather, target reflectivity, and infrared level. Does it come with storage? Yes. The listed package includes or supports a 32GB TF memory card for photo and video recording.
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