Item Type: Ultrasonic Distance Sensor_x000D_ Temperature Compensation: Yes_x000D_ Waterproof Grade: IP68_x000D_ Working Temperature: -15 ~55 _x000D_ Baud Rate: 115200bps_x000D_ Modification: Supports module address, angle, and baud rate modification. _x000D_ Standard: Electrostatic protection design, in accordance with IEC 61000-4-2 standard. _x000D_ Working Voltage: DC 5-24V_x000D_ Standby Current: 1mA_x000D_ Blind Spot Distance: Approx. 2cm / 0.79in_x000D_ Range of Flat Object: Approx. 3meter / 9.84ft_x000D_ Power on Working Time: 1s_x000D_ Work Cycle: Controlled_x000D_ Distance Measurement Accuracy Within 2 Meters: (0.5+ S x 0.5%)_x000D_ Distance Measurement Accuracy Above 2 Meters: (1+ S x 1%)_x000D_ Angle: 5-10 1Efficient Ranging: Can measure up to 3 meter, the ultrasonic detector enables accurate ranging that will not be influenced by environment. 2Has Stable Output: Stable circuit design together with built in intelligent algorithm will largely improve the stability of data output. 3Waterproof Design: IP68 waterproof design suits for various working environments in damp and harsh places, also has temperature compensation. 4Saving the Energy: With lower power consumption design, the ultrasonic ranging sensor ensures reliable performance with small blind spot. 5Wider Application: Allows for wide application in robot obstacle avoidance, underwater ranging and detection, parking space detection, etc.1 xUltrasonic Distance Sensor1. Response time measured at 9600 baud rate. _x000D_ 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. _x000D_ 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.