Product Number: WEW122TRD The Weaver Classic Series Red Dot sight has easy to use digital push-button controls, a user-selectable 12hr timer and an very long battery life with over 15,000hrs. The Dot comes in an IPX7 ingress rated monolithic main housing and durable low-profile mount with a removable, skeletonized high-rise spacer that allow for mounting onto many small arms. Features: - EFFICIENT CLEAR 3 MOA DOT WITH 10 BRIGHTNESS SETTINGS - Point source LED creates a clean beam that produces a strong dot without wasting energy.