The Cyelee Calf X1 is an entry-level pistol red dot that delivers dependable performance at an accessible price point. It features a 3 MOA red dot, a 27x17mm window, and 10 adjustable brightness settings including two night vision levels, offering a competitive feature set without the premium price.The Calf X1 mounts on pistols using the Doctor/Noblex footprint and is constructed from aircraft-grade aluminum with a sealed, waterproof housing. Top-loading battery access and Shake Awake technology ensure the optic is ready the moment it is needed. A single CR1632 powers it for up to 50,000 hours.