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This is a waterproof version of HC-SR04 ultrasonic Distance Sensor. It's usage and connections are exactly same as HC-SR04.
- Operating Voltage: 5V DC
- Static Operating Current: 5mA
- Operating Current: 30mA
- Acoustic Emission Frequency: 40kHz
- Maximum range: 4.5m
- Minimum range: 25cm
- Connection pins: +5V, Trig, Echo, GND
- Module Dimensions: 41mm * 28.5mm
- Sensitivity: ~0.5cm
- Sight Angle: <50°
- Operating Temperature: -10 ~ 70 ℃
- Storage Temperature: -20 ~ 80 ℃
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