NIRIAHO RMR Red Dot Sight 20mm Red Dot Sight 3 MOA

[Precise Aiming: This pistol red dot sight provides a wide field of view for quick target capture. Perfect for shooting from close range targets to medium range targets on hunting trips. "Adjustable Brightness: RMR red dot sight comes with 5 levels of brightness settings to help you achieve precise accuracy whether youre shooting in bright daylight or low light." Multi-Coated Lenses: High-quality fully multi-coated lenses provide a clean wide field of view. Prevent scratches and wear for a bright clear visual picture. Easy installation: The RMR red dot sight comes with a 20mm(0.78 in)Picatinny rail mount and a heightening base. It is compatible with pistols and Picatinny rails. Capable of being mounted on a RMR slide cut on a Glock. Simple Operation: The (+) and (-) keys are used to turn the device on/off and are also the buttons to adjust the brightness high/low. The RMR Red Dot sight also features elevation and windage adjustment function to easily adapt to any environment.]