VISM Flipdot Pro Red Dot Reflex Optic Picatinny/Weaver Black. The Flipdot Pro includes several mounting onto a wide variety of firearms. The optic includes a Picatinny/weaver type rail mount Glock MOS plate spacers and a rear sight dovetail mount for most Glock double stack models. The base of the Flipdot Pro is also RMR micro dot sights compatible. Flipdot Pro fits onto most slides that have been machined to accept RMR micro dot sights. The optic has precise elevation and windage adjustment for zeroing the optic. Flipdot Pro is powered by a CR2032 type battery (included). The battery compartment is located on the side of the optic vertically. You can change the battery without affecting the optic's zero. The battery compartment has a + button for increasing the red dot brightness and a - button for decreasing the brightness level of the red dot. There is 5 brightness levels for the red dot reticle. Specifications for VISM Flipdot Pro Red Dot Reflex Optic: Manufacturer: VISM Color: Black Magnification: 1 x Reticle: Dot Illumination Color: Red Adjustment Type: MOA Emitter Type: Open Condition: New Magnification Type: Fixed Red Dot Sights-Footprint: Not Applicable Mount Type: Picatinny Attachment Type: Picatinny Package Contents: VISM Flipdot Pro Red Dot Reflex Optic Mounting Screws Tools Rubber Lens Cover VISM VDFLIPPRO: Flipdot Pro Red Dot Reflex Optic Picatinny/Weaver Black