WULF FIIR LED 940NM IR 50mm Ultra Wide Infra Red Illuminator #WU4007. WULF FIIR LED 940NM IR 50mm Ultra Wide Illuminator. The WULF Fi IR 50mm boasts a 50mm focusable head, enabling you to switch between a spot beam for extended distances or a wide-ranging beam allowing you cover wider open fields at shorter distances.
eBay