552 mini holographic red dot sight

3 Colors Not include 2 AA Batteries Red and green switching: red and green dot sights with -10 brightness levels. ​Power safety function: the power can be automatically turned off within 2 hours-easy to set up. ​Suitable for: Suitable for any 20mm tactical rail. ​Quality material: shockproof and weatherproof material Mount: 1" weaver or Mil-Std 1913 rail ​Brightness: brightness adjustable ​Water Resistance: 10 feet (3 meters) Important Notice：Please choose any logistics you want. All the logistics that can be selected are available, while we will deliver goods through different special lines according to your address. You can estimate the arrival time of goods according to the table below (it has nothing to do with the arrival time when you place an order. We will adjust it according to your address and give priority to the logistics with the fastest arrival time). By the way, if you have a designated logistics, you can contact us, and we will deliver goods accord