This is the Castle Creations Phoenix Edge Lite 120HV Brushless ESC. The next evolution in speed controller technology has arrived With the debut of the Phoenix Edge series ESC's. The Edge series features a user programmable auxiliary wire capable of functions modelers have only dreamed of, until now. The white auxiliary wire can be used for helicopter governor gain input adjustments mid-flight, serve as an audible beacon after an “unexpected landing”, act as an RPM output for 3-axis gyros that support RPM sensors, be used as an ESC arming lock (coupon for free Arming Lockout Key included) or as a receiver arming lock. Combined with the data logging capability the Edge series of controllers offer, users can enjoy unparalleled versatility. 

The Phoenix Edge Lite 120HV is intended for use in helicopters ranging from 550 to 700 size, and giant scale fixed wing aircraft. As always, the Edge series of controllers offer industry-leading software functions, data logging, and USB programming capability via Castle Link USB adapter (free with included coupon). 

Programmability 
Fully programmable Castle feature set using Castle Link USB adapter (coupon for free Castle Link USB adapter included in package) and freely downloadable Castle Link Windows software. Castle Field Link Programming Card (sold separately) compatible for select functions. 

Same Incredible Price 
The Phoenix Edge controllers deliver all of this while retaining the same astonishing prices as their predecessors. 
White Auxiliary Wire 
The white auxiliary wire can be used for helicopter governor gain input adjustments mid-flight, serve as an audible beacon after an “unexpected landing”, act as an RPM output for 3-axis gyros that support RPM sensors, be used as an ESC arming lock (coupon for free Arming Lockout Key included) or as a receiver arming lock. 

Phoenix Edge HV 120 Specs: 
Applications:
Helis: 550, 600, or 700 Class
Fixed wing: Giant scale
Technical Specs:
Input voltage: MIN: 3S LiPo MAX: 12S LiPo
Max continuous amperage at full throttle: 120 amps*
Size and Weight:
Width: 2.0" (50.8mm)
Length: 3.3" (83.6mm)
Height: 0.9" (23.2mm)
Weight w/wires: 5.2 oz (148.8g)
Weight w/o wires: 2.4 oz (69.4g)
Connectors: Battery and motor connectors sold separately
Tools needed for installation: Soldering iron and solder to attach bullets to motor wires and battery connector to power wires.
*NOTE: RC HOBBY APPLICATION RATING: 120 amps for the duration of a single 10,000 mAh battery pack with the ESC in contact with a 5 mph airflow of 25°C (77°F) or cooler air. Controller temperature must never exceed 100C (212F). Exceeding current or temperature ratings may damage components and may shorten the life of the ESC. Always verify system current draw at full-throttle. Decrease load or increase airflow to decrease the ESC’s operating temperature.