This Ultrasonic scanner is made by Devantech that has a longer range than the SRF04.
This great sonar ranger from Devantech offers an amazing wide range from 3cm to 6m. Unlike the SRF04, the SRF08 is interfaced using the IIC/I2C bus. There is an additional photocell sensor on the front of this detector.
Used for testing: TFMINI Micro LiDAR Module, connectors have been changed for testing.
LT2/F w/Arm "Bulldog" - Advanced Package with additional customization