The Lightest Rugged Metal Red Dot Sight at Just 19g / 0.67oz, Low Profile with a Standard Window8-Level Red Illuminated Reticle with 2 NV Modes, Adaptable to Various BackgroundsMulti Reticle Options, 3 MOA Dot and Crosshair Circle for Diverse Shooting ScenariosShake Awake Motion Sensor Pistol Red Dot, No Worry to Forget to Switch Off the Recoil-Resistant, Take 9mm, 45ACP, 12GA and .338 Lapua Magnum Recoil