" class="boxed"> 
            <label>Selected latency:<select id="mainLatency"></select></label>
            <div class="clear"></div>
            <small>When you press START the video and audio will appear after this selected latency (ex: it will take 3s if you select 3000ms)</small>
        </div>
        <div>
            <form>
                <div class="clear"></div>
                <button id="btnStart" type="button" style="padding: 1%; size: 10px;">Start</button>
                <button id="btnStop"