This HC-SR04 has stable performance and high ranging accuracy. Compared to the Shap IR ranging module , HC-SR04 is more inexpensive than it . But it has the same ranging accuracy and longer ranging distance.
- Power supply: 5V DC
- Effectual angle: < 30 degrees
- Ranging distance: 2cm to 500 cm
- Resolution: 1 cm
- Ultrasonic Frequency: 40k Hz