The HC-SR04 ultrasonic sensor uses sonar to determine distance to an object. It offers excellent non-contact range detection with high accuracy and stable readings from 2cm to 400cm.
Delivery island-wide (Ragama, Colombo, Gampaha within 1-2 days. Outstation within 3 days).
| Power Supply | 5V DC |
| Quiescent Current | < 2mA |
| Effectual Angle | < 15° |
| Ranging Distance | 2cm - 400cm |
| Resolution | 0.3 cm |