Feature:1. Smart for Ranging: This range finder sensor module has a wide measurement range of 2cm to 400cm, high in accuracy and small in blind area.2. Reliable in Works: Designed to have quick response, high sensitivity and good installation adaptivity, the rangefinder module is reliable.3. Broad Application: Can be widely applied to robot obstacle avoidance, intelligent trash can detection, parking space detection and so on.4. Waterproof Design: The automatic UART controlled range finder module with IP67 waterproof design suits for a variety of work environment.5. Simple to Install: Comes with a light weight and a compact size as well, the range finder sensor is very convenient to install in minutes.Specification:Item Type: Range Finder SensorMeasurement Accuracy: 1cm when distance value 25CM, S x 4% CM when distance value 25cm. Working Voltage: DC 3.3V-5VBlind Zone Distance: <2cmCommunication Level: 3.3V, TTL. Output Response Time: 19-38ms, settable. Work Cycle: ControlledOutput Mode: Automatic UART controlled. Temperature Compensation: Built InIndoor Measurement Range: Approx. 2 ~ 400cm / 0.79 ~ 157.48inOutdoor Measurement Range: Approx. 2 ~ 200cm / 0.79 ~ 78.74in under 3000lm lighting, or 2 ~ 90cm / 0.79 ~ 35.43in under 15000lm lighting. Application Scenarios: For robot obstacle avoidance, intelligent trash can detection, parking space detection, intelligent home, etc. .Package List:1 xRange Finder Sensor