kuman 2pcs Hc-sr04 Ultrasonic Distance Measuring Sensor Module for Arduino UNO Mega R3 Mega2560 Duemilanove Nano Robot XBee ZigBee K18
</br></br>
<div style="text-align:left">
<b>[Product Information]</b><br>
<ul>
<li>Package includes: 2 X Ultrasonic Ranging Module</li>
<li>Ranging distance: 2cm~450cm.High precision: up to 0.3cm.Effectual angle:15 degree.Module precision:blind spots (2cm)-SUPER CLOSE</li>
<li>Power supply :5V DC. Quiescent current : <2mA.Size : 4.5 x 2.5 x 1.5 cm / 1.8x 1 x 0.59inch (L*W*T)</li>
<li>Automatically send eight "40 kHz "and detect whether there is a pulse signal back.</li>
<li>Mode of connection:4 pins VCC, Trig (control side), echo (receiver), out (empty),GND</li>
</ul>
</div>
</br></br></br></br></br></br></br></br></br></br>

</br></br></br></br></br></br></br></br></br></br>
<img src='//agdetail.image-gmkt.com/m430/252/342/840342252/img/agdetail.image-gmkt.com/252/342/840342252/img/ecx.images-amazon.com/images/I/515u7kxPqwL.jpg'></br>
<img src='//agdetail.image-gmkt.com/m430/252/342/840342252/img/agdetail.image-gmkt.com/252/342/840342252/img/ecx.images-amazon.com/images/I/51DHpBYCXeL.jpg'></br>
<img src='//agdetail.image-gmkt.com/m430/252/342/840342252/img/agdetail.image-gmkt.com/252/342/840342252/img/ecx.images-amazon.com/images/I/51wfFiW2NdL.jpg'></br>
<img src='//ecx.images-amazon.com/images/I/51%2By8f%2BdMrL.jpg'></br>
<img src='//agdetail.image-gmkt.com/m430/252/342/840342252/img/agdetail.image-gmkt.com/252/342/840342252/img/ecx.images-amazon.com/images/I/51i9hNroqiL.jpg'></br>
<img src='//agdetail.image-gmkt.com/m430/252/342/840342252/img/agdetail.image-gmkt.com/252/342/840342252/img/ecx.images-amazon.com/images/I/416JOgHxYrL.jpg'></br>