Maxview Certis LRF Scopes. Combining advanced laser rangefinding and state-of-the-art drop compensation Certis performs flawlessly regardless of conditions. Specifications for Maxview Certis LRF Scope: Manufacturer: Maxview Color: Black Fit: Crossbow Focus Range: 999 yds Illumination Type: LED Archery Sight Style: Crossbow Sight Battery Type: Lithium Metal CR2 CR2032 Features of Maxview Certis LRF Scope Aiming point and arrow drop calculated out to 100 yards Micro-LED aiming point with multiple brightness settings Fixed Reticle available regardless of conditions Rangefinder measures to 999 yards Package Contents: Maxview Certis LRF Scope Maxview 1024: Certis LRF Scopes