HY-SRF05Ultrasonic sensors 5pinSpecificationsDetecting range: 3cm-4MBest in 30 degree angleElectronic brick compatible interface5VDC power supplyBreadboard friendlyDual transducerArduino library readySpecification:Working Voltage: 5V (DC)Static current: Less than 2mA.Output signal: Electric frequency signal, high level 5V, low level 0V.Sensor angle: Not more than 15 degrees.Detection distance: 2cm-450cm.High precision: Up to 0.3cmWorking tempter:-20C___+60CWeight: 10gSize: 45x 21mm (L x W)