DI-31 AS series digital NVG has a modular structure. The digital tubes made by us can be easily replaced in the housing we process. The digital tube is the core component of NVG. According to different scene requirements, digital tubes with different performances can be configured. Gen3+ and Gen4 can be adapted to the same housing and lens set. Gen5 digital NVG is not suitable for this project. Screen: 0.5 SONY OLED. Colour mode: The color mode is adjusted by the control circuit board. Brightness: Levels 1-9 are adjusted by the control circuit board. Gen4'Nighthawk' Digital Tube x1....