<p>The pistol-sized <strong>Holosun HE507C-GR-V2 Green Dot Sight</strong> provides a large field of view paired with useful features that will help you stay on target while greatly reducing target acquisition time. Version 2 (V2) optics offer upgraded features such as larger brightness control buttons and a side access battery tray, which allows the operator to change the battery without un-mounting the product. Holosun machined this product from light yet rugged 7075 T6 aluminum and added a multicoated lens that provides a bright, crisp sight picture. The Holosun HE507C-GR-V2 Greem Dot Sight uses both Solar FailsafeTM technology and a high capacity lithium battery to power the optic, ensuring you'll always have a reliable point of aim in the field. These optics are designed with Shake AwakeTM technology that senses motion to power the sight on and off and last setting recall ensures you don't lose your customized options once the unit powers down. This model offers up to 50,000 hours of battery life. Holosun's Multi-Reticle System (MRS) gives the option of a 2MOA dot only, 32MOA ring only or ring with dot reticle. All versions are projected from the same LED, so no re-zeroing is needed when changing reticles. Enhance your shooting skills and create a better experience at the range by equipping your firearm with a Holosun HE507C-GR-V2 Green Dot Sight.</p> <p><strong>The CR1632 COIN BATTERIES</strong> have a high voltage of 3 volts - twice that of conventional dry batteries Extremely small self-discharge for long service and shelf life. They are awesomely powerful, compact and lightweight with extreme durability and super strong load pulse characteristics </p> <p>The <strong>PHOTO4LESS CLEANING CLOTH </strong>is the perfect way to safely maintain and clean your lenses and binocular optics.</p>