Vector Optics Scrapper 1x25 SOLThe Scrapper 1x25 SOL features solar assisted technology. A battery is still required, but whenever you are in sufficiently bright conditions, the sight automatically switches to the solar panel on top of the housing to maintain power. It also offers three selectable reticles, a motion sensor (auto shut off after 2 minutes of inactivity, and it turns back on as soon as the optic is moved), and a total of ten brightness settings (including 2 night