This is the Phoenix Ice 75 33.6V Electronic Speed Control from Castle Creations. **Additional Technical Info Will Be Added When It Becomes Available.** FEATURES: Recommended for enclosed installations in helicopter and sport airplane applications where cooling is an issue Heatsink equipped for efficient heat dissipation Onboard Data Logging includes options such as Battery Voltage, Battery Ripple, Battery Current, Controller Temperature, Throttle Input, Motor Power Output and Motor RPM Castle Link USB compatible, linking offers many advanced programming options such as heli governing modes, control line governor settings, motor timing, audible alert tones and incredible data logging capabilities Switching BEC Handles up to 22 cells NiCd/NiMH, 8S (33.6V) LiPo One year limited warranty through manufacturer from date of purchase INCLUDES: Phoenix Ice 75 33.6V Electronic Speed Control with instruction sheet REQUIRES: Motor and battery connectors of modeler"s choice SPECS: Length: 2.6" (66mm) Width: 1.3" (33mm) Height: 0.9" (22.9mm) Weight: 2 oz (56.7 g) Max Amps: 75 amp* 5 amp BEC Max Volts: 34 volts 8S LiPo 22 cells NiCd/NiMH * Ratings are determined with a 5mph airflow on the ESC. COMMENTS: For Castle Creations PHX-Link Phoenix USB Programming kit, order CSEM9999 jxs 7/21/09 ir/jxs