What's in the box:

TMC2130 V1.0 Stepper Motor Driver Module with Driver Smoother Silent Excellent Stability and Protection for 3D Printer (01)

Features:
SPI configuration interface (up to 4MHz), up to 256 native microsteps (without interpolation)
coolStep - current control for energy savings.
stallGuard2 - sensorless motor load detection.
dcStep - load dependent speed control.
Automatic stealthChop and spreadCycle switchover depending on velocity.

Specifications:
Logic Interface Input Voltage: 3 ~ 5V
Subdivision: 256
RDSon 0.5 Ohm
steathChop(quiet): Yes
spreadCycle: Yes
coolstep: Yes
stallGuard: Yes
dcStep: Yes
Driver Module Size: 2 * 1.5 * 1cm / 0.8 * 0.6 * 0.4in
Driver Module Weight: 2g / 0.05oz
Package Size: 14.8 * 10.2 * 3.8cm / 5.8 * 4.0 * 1.5in
Package Weight: 38g / 1.3oz

Package List:
1 * TMC2130 V1.0 Stepper Driver Module
1 * Driver Smoother
1 * Heat Sink
1 * Screwdriver