Feature: 1. LESS INTERFERENCE: The ultrasonic distance sensor can adapt to a variety of environments, not affected by the object color, transparency and material. 2. LOW CONSUMPTION: The distance sensor is low power consumption design, which can minimize the power consumption according to the actual application. 3. GOOD STABILITY: Built in intelligent algorithm, the ultrasonic distance sensor has reliable circuit design to ensure stable and accurate data output. 4. WIDE APPLICATION: The distance sensor is applicable to parking management system, robot obstacle avoidance, automatic control, smart home, etc. 5. IP67 WATERPROOF: The sensor is designed as a split waterproof housing with IP67 protection grade, which can be used in wet or harsh environment. Specification: Item Type: Ultrasonic Distance Sensor Measurement Accuracy: ±(1+Sx0.3%) Working Voltage: DC3.3-5V Average Current: 8mA Temperature Compensation: Yes Range: Approx. 3-450cm / 1.2-177.2in Output Mode: RS485 Application: Robot obstacle avoidance, intelligent trash can detection, parking space detection, intelligent home, etc.. Package List: 1 x Distance Sensor