Metal Zenitco Perst 4 PEQ Green Dot IR Aiming Infrared Laser Pointer Sight Must have! Tactical Metal Zenitco Perst 4 PEQ Green Dot IR Aiming Infrared Laser Pointer Sight For Rifle AR15 AK47 AK74 M16 Hunting Sight SPECIFICATIONS Type: Laser Sight Output Power. Tactical Metal Zenitco Perst 4 PEQ Green Dot IR Aiming Infrared Laser Pointer Sight For Rifle AR15 AK47 AK74 M16 Hunting Sight. Perst 4 Green Laser And IR Laser Combo. 1 x CR123A(Not Included). Perst-4 is uséd to point targets when observing, inspecting and watching small arms shooting at night. This product is a small optical mechanical device that forms laser radiation flux. This product is installed on Picatinny rails. The KV-D2 Tactical swtich (in the kit)can be installed on picatinny rails and 1913 rails. Perst-4 contains 2 laser functions. Green Laser light source: wavelength – 635 nm. IR laser source: wavelength – 850 nm. Effective range in the dark. Green beam: 300 ± 100 m. IR beam: 400 ± 100 m. Overall dimensions: (37? 60? 91) ± 3 mm. The triangular area on the host can switch between visible laser and IR. On the top or side of the host, the round switch is turned on. Turn on through the KV-1P Wire Control Switch. Two small circular buttons on the main unit to adjuest the laser brightness. Fit For: 20mm Picatinny Rail. Sorry, our items are NOT available for pick-up. No additional information at this time. You might also like. TwoSun TS-21 Flipper Folding Knife Titanium Handle 3.43 D2 Satin Blade Outdoor H. Big Size Handmade Damascus Steel Blade Pocket Folding Knife Yellow Brass +Abalon. Native Knife Fold Pocket Damascus Style Feather Blade. Anytime Anywhere CHAIR Portable Invisible Seat Wearable Folding Stool Folding Ch.