Comparison of UH-1 GEN2 vs. IR Night Vision (NV) Reticle: Added compatibility with night vision devices e. 4 NV modes for low-light operations. Motion-Activated Power-On Function: Automatically activates when moved, enhancing readiness while conserving battery life. ED High-Definition (HD) Iris Lens: Improved clarity and light transmission with Extra-low Dispersion glass for minimal chromatic aberration. Enhanced Durability: Upgraded to MIL-STD-810H shock resi. Note: The GEN2 optimizes tactical performance with faster target acquisition and extended battery life e. 1,500 hours at medium brightness.