The HS407K is an open reflex optical sight designed for concealed carry pistol applications. Features include Holosuns Super LED with up to 50k hours battery life, 6 MOA dot only, and Shake Awake.In the Box: Multi Tool, User Manual, Lens Cloth- SPECIFICATION -OPTICAL DATAReticle6 MOA DotLight Wavelength650nmReticle ColorRedParallax FreeYesUnlimited Eye ReliefYesMagnification1xMulti-CoatingsYesELECTRONIC DATAPower SourceBatteryBattery TypeCR1632Battery Life (Hours)50000Brightness Setting10 DL&2 NVPHYSICAL DATAWindow Size0.58×0.77Dimension (in)1.6×0.98×0.95Weight (oz)1MECHANICAL DATAHousing Material7075 T6 AluminumSurface FinishAnodizeAdjustment per Click1 MOAW&E Travel Range30 MOAENVIRONMENT DATAStorage Temperature-40~70Working Temperature-30~60SubmersionIP67Vibration5000G