diff --git a/custom_components/browser_mod/__init__.py b/custom_components/browser_mod/__init__.py
index 45fd2c7..bbec55f 100644
--- a/custom_components/browser_mod/__init__.py
+++ b/custom_components/browser_mod/__init__.py
@@ -2,6 +2,7 @@ import logging
 
 from .mod_view import setup_view
 from .connection import setup_connection
+from .service import setup_service
 from .const import DOMAIN, DATA_DEVICES, DATA_ALIASES, DATA_ADDERS, CONFIG_DEVICES
 
 
@@ -32,4 +33,6 @@ async def async_setup(hass, config):
 
     setup_connection(hass)
 
+    setup_service(hass)
+
     return True
diff --git a/custom_components/browser_mod/connection.py b/custom_components/browser_mod/connection.py
index 966ec50..ed77d4f 100644
--- a/custom_components/browser_mod/connection.py
+++ b/custom_components/browser_mod/connection.py
@@ -53,10 +53,11 @@ class BrowserModEntity(Entity):
         self.entity_id = async_generate_entity_id("media_player.{}", alias or deviceID, hass=hass)
 
     def ws_send(self, command, **kwargs):
-        self._ws_connection.send_message(event_message(self._ws_cid, {
-            "command": command,
-            **kwargs,
-            }))
+        if self._ws_connection:
+            self._ws_connection.send_message(event_message(self._ws_cid, {
+                "command": command,
+                **kwargs,
+                }))
 
     def ws_connect(self, connection, cid):
         self._ws_cid = cid
diff --git a/custom_components/browser_mod/service.py b/custom_components/browser_mod/service.py
new file mode 100644
index 0000000..0bbd814
--- /dev/null
+++ b/custom_components/browser_mod/service.py
@@ -0,0 +1,24 @@
+from .const import DOMAIN, DATA_DEVICES, DATA_ALIASES
+
+def setup_service(hass):
+
+    def handle_command(call):
+        command = call.data.get("command", None)
+        if not command:
+            return
+
+        targets = call.data.get("deviceID", None)
+        devices = hass.data[DOMAIN][DATA_DEVICES]
+        aliases = hass.data[DOMAIN][DATA_ALIASES]
+        if not targets:
+            targets = devices.keys()
+        targets = [aliases.get(t, t) for t in targets]
+
+        data = dict(call.data)
+        del data["command"]
+
+        for t in targets:
+            if t in devices:
+                devices[t].ws_send(command, **data)
+
+    hass.services.async_register(DOMAIN, 'command', handle_command)
diff --git a/custom_components/browser_mod/services.yaml b/custom_components/browser_mod/services.yaml
new file mode 100644
index 0000000..a1c58ba
--- /dev/null
+++ b/custom_components/browser_mod/services.yaml
@@ -0,0 +1,9 @@
+command:
+  description: Send a command to a browser
+  fields:
+    command:
+      description: Command to send
+      example: 'navigate'
+    deviceID:
+      description: List of receiving browsers
+      example: '["99980b13-dabc9563", "office_computer"]'