Features: The HCSR04 Ultrasonic Sensors Module offers broad detection ranges from 2cm to 450cm, ensuring precise measurements for both short and mids ranges applications. Design with high accuracy, this sensors boasts a measurement error of only 0.3cm and operates efficiently within voltages ranges of 3.3 V to 5V, making it compatible for Various microcontrollers. Ideal for hobbyists, engineers, and developers, this sensors module is perfect for anyone working on electronics projects that require reliable distance measurement. This ultrasonic sensors can be used in diverse scenario such as robot obstacle avoidance, liquid level detection, automatic door control, and intelligent home systems. Builts with durability materials, the compactly design ensures easy integration into any project, providing robusts performances even in challenging environmental conditions. Specifications: Component:Plastic Size:Approx.45x26mm/1.77x1.02inch Voltages: DC5V Static Current: Less Than 2ma Level Output: High-5v Level Output: End of 0v Sensors Angles: Not More Than 15Degrees Detection Distance: 2cm-450cm Accuracy: Up to 0.3cm Ultrasonic time from launches to return. Test distance = (timexHigh speed of sound (340M/S)) / 2 Package Includes: 1pc HCSR04 Ultrasonic Sensors Module note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.