To overcome the dependence on sunlight of multi-spectral cameras. an active light source multi-spectral imaging system was designed and a preliminary experimental study was conducted at night without solar interference. The system includes an active light source and a multi-spectral camera. The active light source consists of four integrated LED (Light Emitting Diode) arrays and adjus... https://hollandscountryclothinges.shop/product-category/ear-defenders/