Features: Wide Potential Extent Agreement: This inaudible ranging component backs a working potential extent of Octahedral solid.5V, making it consistent various microcontrollers and flexible to different electrical supply demands. High Accuracy Measurement: Utilizing inaudible technology, this component furnishes millimeter stage distance measurement, ideal for applications requiring accurate distance detection. Extensive Measurement Extent: Short skirt effective measurement extent from 2cm to 4 meters, this component is suitable for both close and intermediate extent applications. User Friendly Planumberebog: The component features a simple and direct plan, making it simple link and use, excellent for both novices and professional programmers. Low Power Consumption and Strong Stability: This component operates with low power consumption in reserve manner, suitable for transportable devices requiring extended action. Specifications: Component: PCB+Metal Size: 45x20x13mm Wide voltages operate: 3V-5.5V Detection distance: 5V (2cm-450cm), 3.3V (2cm-400cm) Detection angles: <15 Working temperature: -20℃~80℃ Use scenario: Suitable for robot obstacle avoidance, liquid levels monitoring, smart home systems and other applications that require distance perception Package Includes: Ultrasonic ranging module note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.