PVS-31 Digital Night-Vision Monocular in a custom enclosure. Features auto power-off when folded, standalone operation (no extra modules), and adjustable focus for mild nearsightedness. Excellent visibility in low-light settings; IR fill light required in total darkness. Built-in IR LED, waterproof splashes, rugged construction, and 800×600 resolution. PVS-31 Main Unit ×1. Dedicated Battery Box ×1. Hard Storage Case ×1. We sell unique Japanese products. ? International Buyers – Please Note.