Aerotech Interlock Controller ARO89381
This unique launch controller features the Key-Eject safety key ejection system. When armed, the Interlock emits a warning tone to alert spectators that the rocket is about the be launched. Bright graphics on the flip-open cover clearly signal the location of the launch control. Igniter clip, batter clips and 40 feet of power cord, to be attached to a 12-volt power source (not included), complete the controller system.