Estes 2240 Pro Series II Launch Controller – Rocket Controller for Cluster & Mid-Power Rockets USB Host Math operation: +

USB Host Math operation: +

measure it with this easy to use device

Electronix Express brand

Great Educational Toy or Gift

Estes 2240 Pro Series II Launch Controller – Rocket Controller for Cluster & Mid-Power Rockets USB Host Math operation: +Great for launching cluster engine powered rockets! Fully assembled Powered by six 'C' size alkaline batteries (not included) Features an alternative power source option for launching up to 10 rockets, a two button arming and launch control system, audible continuity buzzer, and 30 feet (9. 1 m) of heavy duty cable with four alligator clips The ultimate launch controller for launching the new Pro Series II line of rockets as well as other mid engine