diff --git a/deploy/roles/collectd/templates/demo.py b/deploy/roles/collectd/templates/demo.py
index b1a695a..71a9166 100644
--- a/deploy/roles/collectd/templates/demo.py
+++ b/deploy/roles/collectd/templates/demo.py
@@ -1,36 +1,37 @@
 #!/usr/bin/env python2
 
 import serial
 import time
 
 DEBUG = 0
 PORT = '/dev/ttyS1'
 SPEED = 9600
 LEDS_NUMBER = 8
+LEDS_MAX = 100
 
 def debug(msg):
     if DEBUG:
         f = open('/tmp/debug_demo', 'a+')
         f.write(str(msg) + "\n")
         f.close()
 
 def demo(func):
     ser = serial.Serial(PORT, SPEED)
     func(ser)
     ser.close()
 
 def kitt(ser):
     for i in xrange(1, 5):
         for j in xrange(1, 5):
-            line = 'l%d ' % (j - 1) + '%d 0 0 ' % (100 if i==j else 0) * LEDS_NUMBER
+            line = 'l%d ' % (j - 1) + '%d 0 0 ' % (LEDS_MAX if i==j else 0) * LEDS_NUMBER
             ser.write(line)
             debug(line)
-            time.sleep(0.2)
+            time.sleep(0.1)
     for i in xrange(4, 0, -1):
         for j in xrange(1, 5):
-            line = 'l%d ' % (j - 1) + '%d 0 0 ' % (100 if i==j else 0) * LEDS_NUMBER
+            line = 'l%d ' % (j - 1) + '%d 0 0 ' % (LEDS_MAX if i==j else 0) * LEDS_NUMBER
             ser.write(line)
             debug(line)
-            time.sleep(0.2)
+            time.sleep(0.1)
 
 demo(kitt)