Weapon Day Sights model A940, a product of Aselsan from Turkey. It is a device that help officers to see their targets more clearly. Can adjust magnification 1x or 4x, providing a field of view of 26 degrees at 1x magnification and 6.5 degrees at 4x magnification, has a Red Dot and Balistic type reticle. Can adjust the brightness of the reticle at 5 levels. Has a 70mm eye-relief. Easy to zeroing the aiming point. Can be attached to a Picatinny rail. Waterproof to a depth of 1 meter for 30 minutes, lightweight 620 grams, use 1 CR3023 battery. Meets MIL-STD-810G standards.