<ul>
 	<li>Twin channel Air based gauge.</li>
 	<li>Two channels possible with built in piezo technology based sensorsmodel.</li>
 	<li>n V4 series piezo channel operates in full differential mode ofoperation. This reduces errors caused due to temperature, electricalnoise etc.</li>
 	<li>Compact and rigid metal body.</li>
 	<li>120*70mm state of art hybrid lcd display with analog and digital scaleand bicolor back light.</li>
 	<li>Only one display for both channels.</li>
 	<li>RS 232 port for computer interface.</li>
</ul>