After significant research & development, L&S is proud to bring you The Pandora&&';;s Box! The PB-3 is our solution to a large window, enclosed emitter, durable red dot optic. Like our Promethean LP-1, the Pandora features novel design characteristics and material selection. Key Features: 30% larger window than Aimpoint ACROA(R) P2 (21x17mm). Sealing plates to sandwich lenses into housing for added security. 7075-T6 housing. Recessed brightness controls. 3V CR2032 - capable of 30,000+ hr runtime on various daytime settings. Serrations on housing for added grip. Standoff around objective lens for one handed pistol slide manipulation. Ocular offset to protect glass during pistol/rifle retraction through barriers. Beveled leading edge of battery compartment to assist re-holstering. 3 MOA red reticle. ACROA(R) P2 footprint. 7 daylight settings, 3 NV settings. Lifetime warranty. Weighs 2.3oz The Pandora&&';;s Box is everything you need in a pistol optic, and then some. Order today to unleash chaos on the competition!