Features: Experience accurate and stable distance measurements with the TZT Waterproof Ultrasonic Module. Its advanced technology ensures reliable results every time. This integrated distance measuring transducer offers excellent reflection suppression and a wide ranges of applications. Its user friendly design and fast response time make it suitable for various environments. Designed for professionals in engineering, manufacturing, and research, as well as DIY enthusiasts and students, this module is perfect for anyone in need of precise distance measurements. From home automation applications like intelligent lighting control, automated door locks, and automated curtains, to obstacle avoidance and height measurement in drones, this module can be used in a variety of scenarios. Unleash your creativity with the TZT Waterproof Ultrasonic Module. Its versatility and reliability make it an essential tool for electronic experiments and creative projects. Get yours today and explore new possibilities! Specifications: Material: PCB + metal Note: Please allow 1-2cm measuring due to manual measurement. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Package includes: 1x JSN-SR04T Ultrasonic Module