Feature 1 Efficient Ranging: Can measure up to 3 meter, the ultrasonic detector enables accurate ranging that will not be influenced by environment. 2 Has Stable Output: Stable circuit design together with built in intelligent algorithm will largely improve the stability of data output. 3 Waterproof Design: IP68 waterproof design suits for various working environments in damp and harsh places, also has temperature compensation. 4 Saving the Energy: With lower power consumption design, the ultrasonic ranging sensor ensures reliable performance with small blind spot. 5 Wider Application: Allows for wide application in robot obstacle avoidance, underwater ranging and detection, parking space detection, etc.Item Type: Ultrasonic Distance SensorTemperature Compensation: YesWaterproof Grade: IP68Working Temperature: -15 ~55 Baud Rate: 115200bpsModification: Supports module address, angle, and baud rate modification. Standard: Electrostatic protection design, in accordance with IEC 61000-4-2 standard. Working Voltage: DC 5-24VStandby Current: 1mABlind Spot Distance: Approx. 2cm / 0.79inRange of Flat Object: Approx. 3meter / 9.84ftPower on Working Time: 1sWork Cycle: ControlledDistance Measurement Accuracy Within 2 Meters: (0.5+ S x 0.5%)Distance Measurement Accuracy Above 2 Meters: (1+ S x 1%)Angle: 5-10 Package List1 x Ultrasonic Distance SensorNote1. Response time measured at 9600 baud rate. 2. The data obtained from the module's static test in an environment of 30CM underwater, 25 water temperature, calm water surface, and no water flow, where S represents the current distance. 3. The module is stationary in an environment of 30CM underwater, with a water temperature of 25 , a calm water surface, and no water flow. The data obtained from testing using a PVC pipe at 0.7 meters.