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The STS2 uses a CR2032, lithium battery that is contained within a removable battery tray which permits battery replacement without dismounting the sight; this eliminates the need for re-zeroing when replacing a battery. The battery tray is O-ring seled, and is part of the waterproofing that goes into every STS. A 10 position manually operated push button switch provides precision intensity adjustment, previous intensity return, and auto off after 8 hours of inactivity. The STS2 aircraft alloy housing and electronics are designed to handle the hottest loads from large caliber firearms. The STS2 provides 1 moa click adjustment for windage and elevation resulting in pin point accuracy. A positive locking screw for both windage and elevation lock the adjustment screws in position.
WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer and reproductive harm. For more information, go to https://www.P65Warnings.ca.gov