The 
NUPROL NPoint E1 RDS Sight
 in Flat Dark Earth (FDE), also designated as part #7023, is a versatile 1x magnification optic designed primarily for airsoft use on rifles, handguns, shotguns, and crossbows. 
 
 
Key Specifications
Optics: Features a red or green dot selector with multiple brightness settings.
Mounting: Compatible with standard 20mm RIS/weaver rail systems.
Magnification: 1x fixed magnification with unlimited eye relief.
Durability: Constructed with a high-quality aluminum body that is shock, weather, and fog resistant.