The AmeriGlo HVN04, also known as Haven, is designed for your ultimate peace of mind when it comes to defending your family and home. This tool ensures 24/7 reliability, allows for swift target capture, and boasts user-friendly controls. It\'s specifically engineered to withstand continuous firing and the toughest recoil from today\'s popular handguns. Additionally, it is designed to fit seamlessly with the most commonly used IWB/OWB holsters today.Not only is Haven ready for immediate installation on popular optics-ready pistols, it\'s also built to match the Trijicon RMR footprint. Taking it a step further, its innovative electronic components offer a 12-hour runtime that extends to a 12-hour motion-activated auto-on feature. As for battery life, expect two years of functionality at a mid-setting.The package also includes a CR2032 battery (already installed), a GL524 Optic Compatible Iron Sight Set, optic fasteners, a T10/T6 Torx tool, a quick reference guide, and an Ameriglo sticker.