The Trijicon AccuPower is a versatile, variable powered riflescope with an electronic illuminated reticle. Featuring a high quality lens system with full multi-layer coatings,the AccuPower provides an incredibly clear sight picture. The reticle illumination is powered by a single CR2032 lithium battery and has an easy-to-operate brightness adjustment dial with eleven brightness settings and an off feature between each setting. The AccuPower features a hard anodized aluminum body that protects against corrosion and is waterproof to ten feet (3m). With a generous adjustment range for windage and elevation, precise adjustment increments, and a re-settable zero, the AccuPower riflescope delivers the precision required for pinpoint accuracy.