Ultrasonic sensors can be used for obstacle avoidance or to measure distance.
This is an improved version over conventional ultrasonic sensors. It is ideal for creating object avoidance robots with more precise navigation. It offers better quality, range, and sensivity making it ideal for robotic projects.

Features:

Operating voltage 5V
Arduino Compatible
Working current: 15mA
Range: 3cm to 4m
2.54mm breakout pins
16mm interval M4 mounting holes, compatible with OSEPP and Makeblock beams