AEMS-CORE-X2-RD features with a precision 2MOA red dot, and Shake Awake technology. A side mounted battery tray houses a 2032 battery which provides up to 50k hour battery life. This scope has an IP67 rating, which means it is dust-tight and can withstand water immersion for 30 minutes. It has a travel range of ± 50 MOA, 10 levels of daylight brightness, and 2 levels of low-light brightness. The window size is 1.1 x 0.87 inches.