diff --git a/docs/api.md b/docs/api.md
index 610cd891..ee85e3d7 100644
--- a/docs/api.md
+++ b/docs/api.md
@@ -260,6 +260,7 @@ puppeteer.launch().then(async browser => {
 - `options` <[Object]>
   - `browserWSEndpoint` <[string]> a [browser websocket endpoint](#browserwsendpoint) to connect to.
   - `ignoreHTTPSErrors` <[boolean]> Whether to ignore HTTPS errors during navigation. Defaults to `false`.
+  - `slowMo` <[number]> Slows down Puppeteer operations by the specified amount of milliseconds. Useful so that you can see what is going on.
 - returns: <[Promise]<[Browser]>>
 
 This methods attaches Puppeteer to an existing Chromium instance.
diff --git a/lib/Launcher.js b/lib/Launcher.js
index 7afd8d72..ccd53293 100644
--- a/lib/Launcher.js
+++ b/lib/Launcher.js
@@ -196,7 +196,8 @@ class Launcher {
    * @return {!Promise<!Browser>}
    */
   static async connect(options = {}) {
-    const connection = await Connection.create(options.browserWSEndpoint);
+    const connectionDelay = options.slowMo || 0;
+    const connection = await Connection.create(options.browserWSEndpoint, connectionDelay);
     return Browser.create(connection, options, null, () => connection.send('Browser.close'));
   }
 }