FNIRSI NVS-40 digitalt nattesyn med 4K HD-optagelseFNIRSI NVS 40 digital night vision device with 4K HD recording The FNIRSI NVS 40 is a digital night vision device with 4K recording and up to 36 MP image capture. The device allows observation in total darkness at distances of up to 300 meters, thanks to its adjustable 850 nm IR illumination and 6x digital zoom. It has a 3 inch IPS screen, an 18650 battery with USB C charging, and a preview and playback function. It works in two modes day and night