1、Smart Testing: Comes with a wide range of 28‑450cm, this ultrasonic sensor module enables simpler distance measuring. 2、Reliable Work: Waterproof and dustproof, the distance meter board can adaptive to various environments with stability. 3、Extensive Use: Allows for wide application to parking lot, CNC inspection, vehicle sensing and so on, very practical. 4、Better Design: The main board are separated from the probe, which ensures better protection and excellent durability. 5、Easy to Install: Designed to have a compact size and a light weight as well, the installation is very simple to finish. 1 x Ultrasonic Module Item Type: Ultrasonic ModuleModel: DYP-ME007YSWorking Voltage: DC 3.3-5VWorking Current: 20mAMeasurement Mode: Plane measurement mode. Measuring Distance: Approx. 28 ~ 450cm / 11.02 ~ 177.17in