Features: 100%?Brand?new?and?high?quality! This?module?performance?is?stable，?measure?the?distance?accurately. Performance?nearly?the?same?as?SRF05，?SRF02?SRF05，?SRF02?ultrasonic?distance?measuring?module?and?other?comparable. Module?High?precision，?blind?spots?(2cm)?super?close. Specifications: Voltage:?DC?5V Static?current:?less?than?2mA Electrical?level?output:?5V?high Electrical?level?output:?at?the?end?of?0V Induction?angle:?not?more?than?15?degrees Detection?distance:?2cm-450cm High?precision:?2mm Wiring:?VCC，?trig?(control?side)，?echo?(receiving?end)，?GND Size:?approx.?4.5?x?2?x?1.5cm Net?Weight:?8g Package?Includes: 1?x?Ultrasonic?Sensor?Module?HC-SR04?Distance?Measuring?Sensor?for?arduino