diff --git a/README.md b/README.md
index ee8282c..50d5e94 100644
--- a/README.md
+++ b/README.md
@@ -19,12 +19,18 @@ service nagios-nrpe-server reload
 ## Usage
 
 ```
-usage: check_esphome_devices [-h] [-d] [-H HOST]
+usage: check_esphome_devices [-h] [-d] [-H HOST] [-r RETRY_COUNT] [-D RETRY_DELAY] [-x EXCLUDE]
 
 optional arguments:
   -h, --help            show this help message and exit
   -d, --debug
   -H HOST, --host HOST  ESPHome dashboard URL (default: http://127.0.0.1:6052)
+  -r RETRY_COUNT, --retry RETRY_COUNT
+                        Number of retry to retreive device status (default: 4)
+  -D RETRY_DELAY, --delay RETRY_DELAY
+                        Delay in second between two retry to retreive device status (default: 1s)
+  -x EXCLUDE, --exclude EXCLUDE
+                        Regex exclude pattern(
 ```
 
 ## Copyright
diff --git a/check_esphome_devices b/check_esphome_devices
index a80dd02..6b0c33c 100755
--- a/check_esphome_devices
+++ b/check_esphome_devices
@@ -23,6 +23,7 @@ import argparse
 import sys
 import time
 import logging
+import re
 
 import requests
 
@@ -74,6 +75,17 @@ parser.add_argument(
     default=DEFAULT_RETRY_DELAY
 )
 
+def exclude_pattern(value):
+    return re.compile(value)
+
+parser.add_argument(
+    '-x', '--exclude',
+    action="append",
+    dest="exclude",
+    help='Regex exclude pattern(s)',
+    type=exclude_pattern,
+    default=[]
+)
 options = parser.parse_args()
 
 logging.basicConfig(
@@ -83,6 +95,14 @@ logging.basicConfig(
 if options.host[-1] == '/':
     options.host = options.host[-1]
 
+def is_excluded(dev):
+    for pattern in options.exclude:
+        if pattern.search(dev):
+            logging.debug('Device %s is excluded', dev)
+            return True
+    logging.debug('Device %s is not excluded', dev)
+    return False
+
 r = requests.get(f'{options.host}/devices')
 devices_data = r.json()
 logging.debug('Devices data: %s (%s)', devices_data, type(devices_data))
@@ -101,7 +121,7 @@ while count < options.retry_count:
     if ping_data:
         unreachable = False
         for dev in ping_data:
-            if not ping_data[dev]:
+            if not ping_data[dev] and not is_excluded(dev.replace('.yaml', '')):
                 unreachable = True
                 break
 
@@ -125,6 +145,8 @@ devices = {}
 for dev in devices_data['configured']:
     devices[dev['name']] = dev
     logging.debug('Device %s: %s', dev['name'], dev)
+    if is_excluded(dev['name']):
+        continue
     if dev['deployed_version'] != dev['current_version']:
         UPDATE_AVAILABLE += 1
         errors.append(
@@ -157,8 +179,8 @@ else:
 
 print("\nDevices:\n" + "\n".join([
     (
-        f'- {name} (version = {dev["deployed_version"]}, '
-        f'address = {dev["address"]})'
+        f'- {name} (version = {dev["deployed_version"] if dev["deployed_version"] else "unknown"}, '
+        f'address = {dev["address"] if dev["address"] else "unknown"})'
     )
     for name, dev in devices.items()
 ]))