board. It gives you complete operational control and a wider range of adjustment for ION, Impulse, Shocker or Nerve markers. Features: Adjustable Fire Rate Adjustable trigger debounce Adjustable Kick-In rate for advanced modes Adjustable sustain rate for advanced modes Adjustable shots fired to enter advanced mode Adjustable first shot drop software PSP, NXL, NPPL, Millennium, and 3 shot burst firing modes Low battery indicator More user-friendly software New speaker for easier adjustments and on/off activation Non-battery draining design Nickel plated solenoid components New Higher Max Rate of Fire Software - 20 shots per second