The SKYWALKER Series ESCs are produced by well known manufacturer Hobbywing, this series originally only supply to other RC factories like aeroplane manufacturers as a part of the RTF kits, so this series feature low cost yet still reliable as other other series made by Hobbywing. They are produced under same standard.

1 Safety arming feature: Regardless the throttle stick position, the motor will not spin after battery connected.
2 Throttle calibration function: Throttle range can be calibrated to be compatible with different transmitters.
3 User programmable.
4 Multiple program methods supported: transmitter stick, LED Program Card. Very easy to program the ESC at home or at the flying field.
5 Compatible with Lipo and NiMH battery.
6 Timing can be changed to be suitable for different brushless motors.
7 Full protection: Low voltage cut off protection / Over-heat protection / Throttle signal loss protection.
Hobbywing SKYWALKER Series 2-3S 30A Electric Speed Control (ESC) Sky Walker-30A with BEC

Programmable Items
· Input: 2 to 3 Li-Po, or 4 to 10 Ni-MH/Ni-Cd
· BEC: Yes, 2A / 5V
· Max Current: 40 A (for ten seconds)
· Constant Current:30A
· Size:68 x25 x8 mm
· Weight: 37g