The Sig Sauer Romeo4T allows the user to quickly acquire their target with an illuminated BDC reticle. It will automatically power on during motion such as raising your firearm and turn off when not in use to conserve power. Clear flip-open covers are also included. ROMEO4T FEATURES Sig's Romeo4 Compact Red dot is fast, accurate and its target acquisition is ideal. The unlimited eye-relief allows you to acquire the aiming point and target, and MOTAC (Motion Activated Illumination) powers up when it senses motion and powers down when it does not providing optimum operational safety and enhanced battery life. It includes clear flip-open covers. This Romeo4T model features a solar panel. It has a black finish and a 2 MOA Red Dot Ballistic Circle Dot reticle. ROMEO4T SPECIFICATIONS Model: Romeo4T Magnification: 1x Material: Aluminum Proofs: Water,Fog Proof Reticle: Illuminated BDC Objective: 20mm Battery: Solar Panel / CR2032 Adjustment Size: .5 MOA Dot Size: 2 MOA Eye Relief: Unlimited Length: 3.30" Weight: 3.40 oz Windage Elevation: Adjustable