The Vortex SPARC AR delivers fast target acquisition in a durable, lightweight, and compact package. It has digital rear-facing controls for power on/off and easy adjustment of the daylight-bright 2 MOA dot. Choose among ten variable illumination settings; the lowest two settings are night-vision compatible. When powered up, the optic automatically returns to the last dot intensity used.NOTE: The VMX-3T Magnifier is not recommended for use with the Vortex SPARC AR Red Dot.Features of Vortex SPARC AR Red Dot: 2 MOA red dot Includes AAA battery Night vision compatible 10 brightness settings Lightweight and durable aluminum construction Water and fog proof Includes picatinny rail mount 50,000 hour battery life at minimum setting Vortex VIP lifetime warrantyThe aluminum alloy chassis provides exceptional resilience against recoil. It is O-ring sealed and nitrogen purged for waterproof and fog-proof reliability.