The Holy Warrior HWO S1 is an extremely detailed replica of the popular EOtech EXPS3-0. This sight is machined and finished in aluminum and features an attention to detail not seen in others. Description: Internally the model houses a high quality red dot sight featuring a single 2 MOA dot reticle with a 65 MOA ring. Water resistant Precision machined aluminium construction Type III Hard anodized Full markings Locking quick detach lever Clear highly transmissible lens GBB compatible Adjustable windage and elevation 30 brightness settings (10 NV compatible) Battery: CR123 (not included) Specification: Color: Black / FDE Material: Metal Weight: 560g* Compatibility: Any 20mm Picatinny Rail The XPS3 offers a robustly constructed red dot sight but also features extended battery life and a clearly readable dot & reticle for those that want to use this combination in conjunction with a full face mask. Operationally the red dot is easy to use as the pushbuttons are large and simple to read. Adjusting windage and elevation is a standard affair as the adjustment dials are side mounted. Robust, Rugged Construction Clear Dot and Reticle