The EPS is a compact enclosed pistol sight designed for full size pistol. The EPS Red 6 features 6 MOA dot, 7075 T6 aluminum housing and our lowest deck height, facilitating use with standard height iron sights on many pistol models.In the Box: Multi Tool, User Manual, Lens Cloth- SPECIFICATION -OPTICAL DATAReticle6 MOA DotLight Wavelength650nmReticle ColorRedParallax FreeYesUnlimited Eye ReliefYesMagnification1xMulti-CoatingsYesELECTRONIC DATAPower SourceBatteryBattery TypeCR1620Battery Life (Hours)50000Brightness Setting8 DL&4 NVPHYSICAL DATAWindow Size0.63×0.91Dimension (in)1.621.190.99Weight (oz)1.4MECHANICAL DATAHousing Material7075 T6 AluminumSurface FinishAnodizeAdjustment per Click1.5 MOAW&E Travel Range30 MOAENVIRONMENT DATAStorage Temperature-40~70Working Temperature-30~60SubmersionIPX8Vibration5000G