Out of the box, this red dot is automatically solar powered. The red dot intensity also auto adjusts to ambient light. If there is not enough light, such as at night, just press the + or - button to activate battery power. Now it will operate like a regular red dot. You can adjust the intensity by pressing + or - buttons. When it is time to power off the unit, just press both buttons at the same time or simply put it away and it will turn off battery operation after 8 hours. The unit is now automatically in solar powered mode, ready when you need it. You can verify the power mode by covering the solar cell. If the red dot is on, you are in battery mode. If it is off, you are in solar mode.

Features

• Designed for day use and night vision
• New advantage technology LED  allows 50,000 hours of operation on one battery
• 2 MOA on dot size
• Reduced training time and ammunition
• Unlimited field of view
• Parallax-free with unlimited eye relief
• Unaffected by extreme weather conditions
• Low mount and 1/3 Co-witness mount included
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Specifications

Battery Life: 600 Hours

Battery Type: CR2032 3V Lithium Coin

Brand: Holosun

Click Value: 1/2 MOA

Finish: Hardcoat Anodized

Manufacture: Holosun

Material: Aluminum 6061-T6

Night Vision Compatible: Non-Compatible

Redicle: 2 MOA Dot

Redicle Color: Red

Warranty: Manufacture Limited Lifetime

Weight: 4.37 ounce