Catalog > Internet of Things (IOT) Related Products > More Platforms Catalog > Internet of Things (IOT) Related Products > Itead Studio Module Prototyping Ultrasonic Sensor Module HC-SR04 Prototyping Module Ultrasonic Sensor Module HC-SR04 SME ULTRASONIC SENSOR HC-SR04 ALSO SEE-AZL ULTRASONIC SENSOR HC-SR04--ULTRASONIC RECEIVER+TRANSMITTER ON BOARD 5VDC Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Overview Ultrasonic Sensor module with stable performance and high ranging accuracy. Compared to the Shap IR Sensor module , HC-SR04 is cheaper. But it has the same ranging accuracy and longer ranging distance. Specifications Module Type : SensorWeight : 15.00gBoard Size : 2.0 x 4.3 x 1.5cmVersion 1.0Operation Level : Digital 5VPower Supply : External 5VQuiescent current : <2mAEffectual angle : <15°Ranging distance : 2cm – 500 cmResolution : 1 cmUltrasonic Frequency : 40kHz Downloads Datasheet - HC SR04 PDF File 504.38 KB