Features:Tritium powered front sight Choice of tritium or non-tritium rearBig Dot front measures 0.188"High-contrast colored front sight Glow dot absorbs ambient light and glows in low lightLow-profile V rear provides greater visibility of front sightSimple dot-the-"i" sight pictureRear sight white outline with tritium center (DXT2 only)Rear sight white stripe non-tritium (DXW2 only)Rear sight ledge for one-handed slide manipulationsDurable CNC machined steel 10 Year Warranty 30 Day Satisfaction GuaranteeFits standard holster options