VORTEX Defender-XL Red/Green Dot Sight (DFXL)

Large hard coated aspherical lens; Motion Activation with 10 minute auto-shutoff; Polymer insert ShockShield absorbs shock to the 7075 aluminum body protecting it for everyday abuse; Texturing aggressive Fast-Rack texturing on face of optic for racking slide off any surface; Top Mount Battery for easy battery change without having to rezero your optic; 10 Daylight Bright Brightness Settings; Night-Vision Compatibility; Single-Piece Chassis; Low-Glare Matte Black Anodized Finish; Waterproof, Fogproof