The Blackheart circuit board is a full-featured tournament level, upgrade board. It gives you complete operational control and a wider range of adjustment for 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