The T.M.P.R. System is a revolutionary modulaR System of purpose-specific optics designed to adapt to any shooting situation, allowing users to employ components individually or in combination for the ultimate sighting solution. Each component of the T.M.P.R. System is equipped with its own battery, providing flexibility and convenience. When connected to a T.M.P.R. prism sight, these components can draw power from the prism sight's high-capacity CR123 battery, ensuring you have the energy needed for extended use. The System features an automatic brightness sensor that adjusts the brightness levels to match environmental conditions, alongside three manual brightness settings for user customization. Convenient battery access is located on the top of the sight for easy replacement, while an automatic time-out feature after 8 hr helps prolong battery life, allowing it to last up to 5 years. Experience the adaptability and reliability of the T.M.P.R. System, tailored for any scenario you encounter in the field.