Protech Airsoft MkII™ compatible UFCU.
The Universal Fire Control Unit can be used with any current single solenoid HPA system.
The UFCU is extremely low current draw in standby mode allowing for 3-4 months of standby use(recommended to unplug anytime not in use).
This part is designed and manufactured in the USA from globally sourced components.
The UFCU user guide can be found here: UFCU User Guide