The HELIA RD from KAHLES has been designed for the intuitive shot. It features a unique Anti-Reflexion coating for clear visibility and a precise 2 MOA dot for minimum target covering. Precise 2 MOA dot and Easyclick Picatinny mount included 4 manual illumination settings with intelligent automatic switch-off Easy to change battery Brightness Setting: 4 Power Supply: CR 2032 Weight: 1.5 oz The KAHLES HELIA RD is equipped with a motion sensor. After being motionless for 3 minutes, the red dot turns off and enters "Standby" mode. In the "Standby" mode, the smallest movement is sufficient to re-activate the red do Mfg: Kahles
