diff --git a/src/trx-client/trx-frontend/trx-frontend-http/assets/web/index.html b/src/trx-client/trx-frontend/trx-frontend-http/assets/web/index.html
index 8a9d6bb..a113247 100644
--- a/src/trx-client/trx-frontend/trx-frontend-http/assets/web/index.html
+++ b/src/trx-client/trx-frontend/trx-frontend-http/assets/web/index.html
@@ -111,6 +111,10 @@
                 <option value="1000">1 s</option>
                 <option value="2000" selected>2 s</option>
                 <option value="5000">5 s</option>
+                <option value="10000">10 s</option>
+                <option value="15000">15 s</option>
+                <option value="30000">30 s</option>
+                <option value="60000">60 s</option>
               </select>
             </label>
             <label id="spectrum-floor-label">Floor <input type="number" id="spectrum-floor-input" value="-115" step="5" /> dB</label>