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 ION 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