Bushnell Trophy 3 MOA Red Dot Sight Riflescope (Predator Camo, 1x25mm) Red dot sight riflescope with 1x power and 25mm objective lens Ideal for fast target acquisition and accuracy in low-light conditions Zoom Dot feature lets you fine-tune size of aiming point Amber-Bright optics for distinguishing between objects CR2032 battery; measures 2.4 inches long; weighs 3.7 ounces