Chinese 
Interpupillary Distance Adjustment
Night Vision Devices
Universal Night Vision Helmet Mount
The Universal Night Vision Helmet Mount is a patented universal night vision helmet mount crafted from high-strength aerospace aluminum alloy. It features 3-axis adjustability, 180° flip with 3 parking positions and auto power-off detection, and is fully compatible with standard ballistic helmets.
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OEM
ODM
Effect Display
Head-Mounted Alignment System
Flip-Down Mounting System
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3-Axis Precision Adjustment & Flip Mechanism
Designed for precise night-vision positioning, the JV-HA8 supports ±10mm height adjustment, ±25mm left/right adjustment and ±12mm fore-aft adjustment. Its two-stage 160° flip mechanism enables fast viewing-position changes, while magnetic status detection and self-locking design provide stable and reliable operation.
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Lightweight Aerospace-Aluminum Universal Mount
Constructed from high-strength aerospace aluminum alloy with precision CNC machining, the helmet mount combines compact dimensions with low weight—approximately 120g for JV-HA8 and 170g for JV-HA9. The universal standard night-vision helmet interface supports common ballistic helmets, while tool-free adjustment simplifies installation and field setup.
Core Specifications
| Parameter | JV-HA8 / JV-HA9 |
| Representative products |  |
| Material | High-strength aerospace aluminum alloy |
| Type | JV helmet accessories |
| Height Adjustment | ±10mm / — |
| Left/Right Adjustment | ±25mm / — |
| Fore-aft Adjustment | ±12mm |
| Flip Adjustment | 2 gears, 160° / — |
| Status Detection | Two-point strong magnetic detection |
| Overall Dimensions | 110×90×70mm / 130×100×80mm |
| Place of Origin | China |
| Customized support | ODM/OEM |
| Weight | 120g / 170g |
| Adjustment Method | Tool-free height & fore-aft adjustment |
| Mount Compatibility | Universal standard NV helmet interface |
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