diff --git a/cli/index.js b/cli/index.js
index 104ab51..6df7180 100644
--- a/cli/index.js
+++ b/cli/index.js
@@ -10,6 +10,7 @@ const cfg = require('../app/data/cfg.json')
 const pkg = require('./package.json')
 
 const delay = require('delay')
+const exit = require('exit')
 const intval = require('intval')
 const arduino = require('arduino')(cfg, ee)
 const Mscript = require('mscript')
@@ -19,6 +20,7 @@ const dev = require('device')
 let log
 let readline
 
+let devices
 
 async function command () {
 	return new Promise ((resolve, reject) => {
@@ -58,12 +60,18 @@ async function main (arg) {
 	log.info('mcopy-cli')
 
 	try {
-		await arduino.enumerate()
+		devices = await arduino.enumerate()
 	} catch (err) {
 		log.error('Error enumerating devices')
 		log.error(err)
 	}
 
+	if (!devices ||devices.length > 1) {
+		return exit('No devices found', 1)
+	}
+
+	await dev.all(devices)
+
 	if (arg.pattern) {
 
 	}
@@ -82,6 +90,7 @@ program
   .option('-l, --live', 'Live control mode')
   .option('-f, --frames', 'Number of frames to capture with camera')
   .option('-p, --pattern', 'Pattern of sequence to be repeated')
+  .option('-i, --intval', 'URL of intval3')
   .option('-m, --mscript', 'Execute an mscript file')
   .option('-q, --quiet', 'Suppresses all log messages')
   .parse(process.argv)