Oracle Features Angle Compensation Built-in inclinometer factors in angle for steep angles and shots commonly encountered in treestand hunting Burris Reliability Covered by the Burris Forever Warranty, No Questions Asked! No paperwork. No hassles. We even cover the electronics. Right or Left-hand Compatible Quickly flip and mount for a left-handed archer. The built-in inclinometer can tell which orientation you've picked, and adapts the software automatically. Lightweight & Robust Design Lightweight and robust enough to weather any conditions (shockproof, waterproof, and fogproof). Best-In-Class Features No Glass to scratch, fog, glare or break 20 Yard fixed pin (failsafe) Store multiple arrow profiles Locking micro adjustment knobs 2nd and 3rd axis adjustments Accommodates up to 176 MOA (184 inches of drop at 100 yards.)