Effective Range: From 3 cm to 450 cm, the ultrasonic distance sensor enables precise distance measurement that will not be affected by the environment. Features Stable Output: Stable circuit design coupled with a built-in intelligent algorithm will greatly enhance the stability of data output. Waterproof Design: IP67 waterproof design is suitable for various working environments in damp and tough places, also features temperature compensation. Save Energy: Thanks to the lower power consumption design, the UART controlled ultrasonic distance sensor ensures reliable performance. Broader Application: Enables wide use for robot obstacle avoidance, intelligent trash can detection, parking space detection, etc. Item Type: Ultrasonic Distance Sensor Measurement Accuracy: ± (1+S x 0.3%). Working Voltage: DC 3.3V-5V Average Current: 8mA Temperature Compensation: Yes Range: Approx. 3 ~ 450 cm / 1.18 ~ 177.17 inches Output Mode: UART controlled Application Scenarios: For robot obstacle avoidance, intelligent trash can detection, parking space detection, smart home, etc.