- Calculates muzzle velocity (FPS/MPS) and ROF (RPM). - Compatible with 14mm negative threading patterns. - Quality digital display with brightness controls. - Power saving, standby, and auto-power off modes. - Programmable BB counter to count up or down. - Battery level monitoring and low ammo warning. - Programmable burst control unit. (2-10 burst / full auto) - PEQ control box mounts to any 20mm tactical rails. - Communicates via wireless signal. (SCU 8 channel memory)Specifications: Material Metal/Polymer Muzzle Velocity Range 30-400+ M/S (90-1200+ FPS) R.O.F. Range 100-6000 RPM Muzzle Energy Range 0.01-9999 Joule Power Tracer (4X AAA Batteries) PEQ Box (2X AA Batteries) Color BLACK 1X Tracer