The SG90 mini servo is lightweight, high-quality and lightning-fast.
Compatible with any servo code, hardware or library.
Servo motors comes with three wires: power, ground, and signal.

Operating Voltage ~5V
360 Degree

Features:
High resolution
Accurate positioning
Fast control response
Constant torque throughout the servo travel range
Excellent holding power

Specifications:
360 Degree
Weight: 9g
Dimension: 22.2 x 11.8 x 31 mm approx.
Torque: 1.8 kgf.cm
Operating speed: 0.1s/60 degree
Operating voltage: 4.8 V (~5V)
Temperature range: 0°C – 55°C