Power and dot intensity controls are conveniently located on the left side of the sight to choose between 10 brightness levels. The Venom also has an auto-brightness mode that uses an ambient light sensor to control dot intensity if the shooter prefers. 1 MOA wind age and elevation adjustments are super sleek and make sighting in a breeze. The top load system makes changing the CR1632 battery a breeze, as you will not have to remove your sight to change the power source.The Venom Red Dot will fit well on your rifle or shotgun giving you optimal flexibility. O-ring seals prevent moisture, dust and debris from penetrating for reliable performance in all environments. The item "Vortex Venom Red Dot Sight 3 MOA Dot" is in sale since Thursday, January 14, 2021. This item is in the category "Sporting Goods\Hunting\Scopes, Optics & Lasers\Red Dot & Laser". The seller is "jbtoolsales02" and is located in Farmington, Michigan. This item can be shipped to United States.