The BB Warrior reviews the best selling Red Dot Sight from Primaru Arms, the Micro Red Dot. According to the company it features up to 50,000 hours of battery life from the included CR2032 battery and an ultra-sharp 2 MOA dot. The top mounted push buttons can be adjust to 12 brightness settings from night vision compatible to daylight bright. It is waterproof, with a 3-year warranty and includes a 1913 Picatinny base and the scope body is compatible with any industry standard Micro mount system. Rubber "bikini' lens cover is also included.