Feature: 1. NOT AFFECTED BY ENVIRONMENT: Ultrasonic distance sensor is suitable for various application environments, which is not affected by color, transparency and material (metal, non metal) of detected objects 2. LOW POWER DESIGN: The distance sensor can minimize power consumption according to practical application 3. STABLE DATA OUTPUT: Distance sensor has strong stability, built in intelligent algorithm, stable circuit design, bring stable and data output 4. WATERPROOF PROTECTION: Range detector adopts separate waterproof design, protection level IP67, suitable for humid and harsh environment 5. WIDE RANGE OF APPLICATIONS: The sensor is suitable for all scene object proximity detection, parking management system, robot obstacle avoidance, automatic control, etc. Specification: Item Type: Ultrasonic Distance Sensor Measurement Accuracy: ±(1+Sx0.3%) Operating Voltage: DC3.3V-5V Average Current: 8mA Temperature Compensation: Yes Range: Approx. 3 ~ 450cm / 1.2 ~ 177.2in Output Mode: UART automatic Application: Robot obstacle avoidance, intelligent garbage can detection, parking space detection, intelligent home, etc. Package List: 1 x Ultrasonic Distance Sensor