This is the Interlock Launch Controller for Model Rockets by Aerotech, which can be used with all model rockets.
The product features:
An audible arming signal.
Key-Eject safety key ejection system.
12 metres (40') feet of heavy duty power cord to Mantis Launch Pad.
Manual arming status indication (red/green).
Flip-up cover with launch checklist. Cover guards controller launch button.
Igniter clip for use with Aerotech Copperhead single lead igniter.
Heavy Duty battery clips.
Durable black polymer case.
High visibility graphics. The unit produces a warning produced when the launch controller is armed, and the system is designed to prevent the controller from being left in armed position.
Required: external battery - 12v car, motorcycle, sealed unit