Estes EST2220
EST2220 Electron Beam Launcher
Launch controller comes complete with safety key and 17 feet (5.2 m) of cable. A great controller for launching mini and standard (A-C) engine powered rockets.
Requires four new high quality 'AA' alkaline batteries - not included.
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov