Perst-4 is used 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 switch (in the kit)can be installed on picatinny rails and 1913 rails. Features:

• - Green Laser
• - IR Laser
• - Power supply: CR123A x 1 (Not included)
• - Effective range in the dark: red beam: 300 ± 100 m.;IR beam: 400 ± 100 m.
• - 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
• - Press the switch quickly to realize the strobe function
• - Two small circular buttons on the main unit to adjust the laser brightness .
• - Fit For: 20mm Picatinny Rail