Easy to use. Hard to Beat. 3 MOA Red Dot With 8 Stage Digital Brightness Control. 25 Layer Multi-Coated Optics For Maximum Clarity. High 'Quick Release' & Low-Profile Weaver Mounts. Parallax Error Free From 10 Yards/9 Meters. Ideal For Pistols, ARs And Hunting Rifles. High Quality Aluminium Construction. The Sight Will Enter Standby Mode If No Movement Is Detected For 5 Minutes.