NcSTAR VISM SPD Solar Flipdot with KPM Mounting System Keymod/Picatinny/M-LOK Black. NcSTAR built these Red Dot Sights with a dual power source that charges the optic with solar cells in sufficient sunlight but uses a battery when there is not. Each NcSTAR VISM SPD Solar Flipdot 1x Sight w/ KPM Mounting System features a modular mount that is compatible with KeyMod Picatinny and M-Lok platforms providing multiple ways to equip it. Improve your aim and target acquisition speed with an NcSTAR VISM SPD Flipdot Solar Reflex Sight. Specifications for NcSTAR VISM SPD Solar Flipdot with KPM Mounting System: Manufacturer: NcSTAR Color: Black Fabric/Material: Aluminum Magnification: 1 x Reticle: 3 MOA Red Dot Illumination Color: Red Brightness Settings: 5 Emitter Type: Open Optical Coating: Ruby Battery Type: Solar CR2032 Length: 3.5 in Width: 2.2 in Height: 2.5 in Weight: 6.5 oz Magnification Type: Fixed Red Dot Sights-Footprint: Not Applicable Mount Type: M-LOK Gun Rail: Picatinny Package Contents: NcSTAR VISM SPD Solar Flipdot with KPM Mounting System NcSTAR VDBSOLFLIP: VISM SPD Solar Flipdot with KPM Mounting System Keymod/Picatinny/M-LOK Black