Ultrasonic sensor HC-SR04

Ultrasonic wave sensor | Ultrasonic The sensor is used to measure the distance of objects using ultrasonic waves up to 4 meters Additional information Specifications (Ultrasonic wave sensor | Ultrasonic): Model: HC-SR04 Power supply voltage: 5 volts Current draw: 2 milliamps Detection angle: < 15 degrees Measurement range: 2 – 400 cm Accuracy: up to 0.3 cm Color: blue and silver Dimensions: 44*20*15 mm