The LM-RRDS (LaserMax-Rifle Red Dot Sight) is a compact sight for mourning on picatinny rail equipped rifles. The housing is constructed of aircraft grade 7071 aluminum. The sight is ideal for AR and AK platform rifles. The LM-RRDS comes equipped with an industry first forward-facing external light sensor which automatically adjust the brightness of the red dot based on ambient lighting conditions. A high-rise/low-rise picatinny mount mounting hardware and battery are included.Features: External Forward-Facing Light Sensor for Auto Brightness Management 10000 hour run time Brightness settings: 8 Day / 2 Night Shake to awake Reticle: 3 MOA Red Dot Winadage/Elevation Adjustment: 1 click = 1 MOA Operation Modes: Auto brightness or manual adjust Mount: High-rise and low-rise picatinny mount Power Source: CR2032 included