HOLOSUN RED DOT SIGHT - The HS407K X2 is an open reflex optical sight designed for subcompact pistol applications; It features Red Super LED with up to 50k hour battery life, a crisp 6MOA dot, and 12 reticle intensity settings; The HS407K X2 is direct for P365X/XL, and requires an adapter plate for slides with a four-boss interface HIGH PERFORMANCE - This reflex sight for handgun incorporates Lock Mode which locks the buttons preventing inadvertent setting changes when activated; The durable housing is made from 7075 Aluminum, uses Holosun's K footprint, and houses the 1632 battery in a side-mounted tray for easy replacement when needed SHAKE AWAKE TECHNOLOGY - Extends battery life by deactivating the optic's LED while not in use; Shake Awake offers settings from 10 minutes to 12 hours depending on the model and can be deactivated altogether if preferred; The slightest touch of the optic instantly reactivates the LED so your Holosun reflex sight for pistol is ready when needed MULTILAYER REFLECTIVE GLASS - This red dot sight is manufactured using optical-quality glass lenses with multilayer coatings applied to facilitate maximum light transmission and wear resistance while reducing glare and facilitating reduced power requirements; Holosun's highly reflective coatings produce industry-leading reticle intensity, clarity, and battery efficiency SPECIFICATION - Reticle: 6 MOA Dot; Light Wavelength: 650nm; Magnification: 1x; Parallax Free & Unlimited Eye Relief; Battery Type: CR1620; Battery Life (Hours): 50000; Brightness Setting: 10 DL & 2 NV; Window Size: 0.58x0.77; Housing Material: 7075 T6 Aluminum; Surface Finish: Anodize; Adjustment per Click: 1.5 MOA; W&E Travel Range: ±30 MOA