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. Item Type: Ultrasonic Distance Sensor Temperature Compensation: Yes Waterproof Grade: IP68 Working Temperature: -15 ~55 Baud Rate: 115200bps Modification: Supports module address, angle, and baud rate modification. Standard: Electrostatic protection design, in accordance with IEC 61000-4-2 standard. Working Voltage: DC 5-24V Standby Current: 1mA Blind Spot Distance: Approx. 2cm / 0.79in Range of Flat Object: Approx. 3meter / 9.84ft Power on Working Time: 1s Work Cycle: Controlled Distance Measurement Accuracy Within 2 Meters: (0.5+ S x 0.5%) Distance Measurement Accuracy Above 2 Meters: (1+ S x 1%) Angle: 5-10 1 xUltrasonic Distance Sensor