A brief introduction: The high-definition lens is 3-12x44FFP. It has a compact size of only 243mm in total length. Paired with rifles creates a more tactical atmosphere. The minimum parallax adjustment of 8 yards can observe a minimum observation range of 5 meters. Durable materials can withstand impacts of 1200-1500G. Perfectly matched with impact forces of calibers such as. 308.556.223 and 22LR. Any large caliber air gun rifle can be used. One year warranty.