The Hobbyking SS series comes with a limited range of programming functions and are designed to be plug-n-play.
A perfect ESC for those looking for something simple to use and economic.

Spec.
Weight: 63g
Size: 55x35x8mm
Cells: 12-24Ni MH ~ 4-8S Li Po
Max Current: 60A
Burst : 70A
No BEC
Timing: 1/7/15/30 programmable
PWM: 8/16K

Features.

Constant current 60A Max 70A

Li-Poly 4-8 cells

Low Resistant 0.0017 Ohms;

Dynamic Braking

BEC: opto

Auto shut down when lose signal

Slow down at 3.0V per cell Lipo, Cut-off at 2.9V per cell Lipo 0.8V NiMh

User Programming options.

Battery settimg

Throttle Range

Brake settimg 4 options:

Direction and Cutoff Type

Timing Mode Setting: 1 / 7 / 15 / 30

PWM setting: 8K/16K

Note:

This ESC is OPTO, with no BEC supplying power to your receiver. You will need an extra power source for your receiver. (such as UBEC or Rx battery pack)
If you hear the music tone repeat for more than 3 times, you may need to check your power source to the receiver.