This ultrasonic ranging sensor is a non-contact distance measurement module with stable performance and high ranging accuracy featuring much smaller blind zone, wider sensing angle and a certain penetration power compared with other similar sensors.<br> It can detect the distance between the ultrasonic wave and the target. Widely used in robot obstacle avoidance, parking management system, automatic control and so on.<br> Average Current:Less than 8mA<br> Response Time:100ms<br> Detecting Range(Flat object):3-450cm<br> Operating Temperature:-15-60℃<br> Reference Angle:60º<br> Waterproof Grade:IP67<br> Measurement accuracy:±(1 + S*0.3%)<br> Type:PWM pulse width/UART serial port/RS485<br> Colour:Black<br> Material:Plastic<br> Package Contents:<br> 1 * Ultrasonic Ranging Sensor<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.