Mounts directly to guns with MIL-STD-1913 (Picatinny) rails or M-LOK and M-LOK compatible rail systems; verify compatibility and fitment before purchase High mode provides a powerful 2,000 Lumens with a 583 Meter beam Adjustable light modes with TEN-TAP programming to choose your preferred operating mode; high/low/strobe; for a longer run time up to 11 Hours switch to low mode Powered by the SL-B50 battery pack that charges using a USB-C cord outside of the light or inside IP67 rated; Dust-tight and waterproof to 2 Meters