This is a used 10A brushless ESC from FlightPower. It has a micro deans connector already attached.

FEATURES:

Small size and weight is good for small airplanes of different
applications including 300 size sport class models, indoor foamies
and more
Built-in 5V 1A BEC delivers power for multiple pico, nano or micro
size servos
LiPo, NiMH and NiCd compatible with auto-detection
Selectable 0°, 10°, or 20° advanced timing
Soft, super-soft start or normal start
Three low voltage cutoff settings, and power reduction or power
cutoff action
User can set up manually, or use the optional FlightPower Programming
Card (FPWM0280) or USB Link (FPWM0281)

INCLUDES:

FlightPower 10A LiPo Brushless ESC with BEC, Universal Radio
Connector with 4.7" (120mm) lead, 22AWG battery and motor leads

SPECS:

Output Current: 10A continuous max., 15A surge max.
Input Voltage: 5-10 NiCd/NiMH cells
2-3 LiPo cells
auto-detecting
Max. Output Power: 105 watts
BEC: 5V/1.0A linear
Operating Frequency: 8kHz fixed
On Resistance: 0.0186 ohms
Timing angle: 0, 10, 20° selectable
Low voltage cutoff: 3.0, 3.2, 3.4V LiPo, selectable
0, 50, or 60% of NiMH start voltage, selectable
Low Voltage Action: Power reduction or power cutoff
Soft Start: Normal, soft, super-soft
Rotation Direction: forward
Brake: On/Off
Radio Connector: Universal, with 4.7" (120mm) lead
Battery Leads: 22AWG with silicone insulation multi strand, stripped
and tinned, 3.93" (100mm) in length
Motor Leads: 22AWG with silicone insulation multi strand, stripped
and tinned, 2.55" (65mm) in length
Dimensions: 1.10 x 0.71 x 0.24" (28 x 18 x 6mm)
Weight: 0.26oz. (7.5g)