Features:
Accurate distance measurement with high precision.
Performance is almost the same as SRF05, SRF02, SRF05 and SRF02 ultrasonic ranging modules.
Detection distance: 2cm-450cm.
Wiring: VCC, trigger (control terminal), echo (receiver), GND.
 
Description:
High-quality electronic components, high
sensitivity, high reliability and ultra compact. Less wiring, accurate
distance measurement, and high accuracy.

Specifications:
Material: Electrical components
Voltage: DC 5V
Quiescent current: less than 2mA
Level output: 5V high
Level output: at the end of 0V
Induction angle: no more than 15 degrees
Detection distance: 2cm-450cm
Wiring: VCC, trigger (control terminal), echo (receiver), GND
color: blue
 
Package Included:
1 * HC-SR04 ultrasonic ranging module