This is the Castle Creations Phoenix Edge HV 160 Amp 50V Brushless Electronic Speed Control.

Features:

• Ideal for 700 and 800 class helis and giant scale fixed wing aircraft
• User programmable white auxiliary wire can serve as an audible beacon after a crash, be used for governor gain input adjustments, act as an RPM output for 3 axis gyros that support RPM sensors, and used as an ESC or receiver arming lock
• Programmable using Castle Link USB Adapter, CSE010-0063-01
• One year limited warranty through Castle Creations beginning at date of purchase

Includes:
One Castle Creations Phoenix Edge HV 160 Amp 50V Brushless ESC with an Instruction Sheet

Requires:
Battery and motor connectors of your choice

Input Voltage: 3S-12S LiPo
Max Continuous Amps at Full Throttle: 160
Dimensions: 2.0 x 4.3 x 1.2" (50.8 x 108.4 x 31.5mm)
Weight: 8.2oz (232.8g) with wires
Weight: 5.3oz (150.6g) without wires