Beaster 5 Pcs HC-SR04 Ultrasonic Module Distance Measuring Transducer Sensor for Raspberry Pi and Arduino

Description

Specification: Operating Voltage: 5 V DC Power consumption: 15 mA Quiescent Current: Less than 2mA Detection angle: less than 15 ° Detection range: 2 – 450 cm Accuracy: 3 mm. Input Trigger Signal: TTL pulse