ELECFREAKS PlanetX Smart Brick Motor combines high-precision servo and high-efficiency motor features to create an unprecedented all-around drive core. It has ultra-high control accuracy, instantaneous response speed and powerful torque, and built-in intelligent protection systems, including temperature monitoring, blocking detection and voltage stabilization protection, to ensure a safe and stable operating environment, injecting surging power for your creative projects.

Specifications
Operating Voltage: 5.0~9.0V
No-load Speed: 125 rpm
StallTorque: ≥29 Ncm
Accuracy: ≤3°
Operating Travel Angle: 360° * N
Connector Interface: RJ11
Building Block Interface: support
Speed Reading: support
Angle Reading: support
Protection Mechanisms: Temperature protection, blocking protection, voltage protection
Color Recognition System: support
Weight: 31g
You can find the introduction of this product following this link
https://wiki.elecfreaks.com/en/microbit/sensor/planet-x-sensors/Plant_X_EF05071