diff --git a/backends/test_backend.py b/backends/test_backend.py
index 05dde7d..45c5700 100644
--- a/backends/test_backend.py
+++ b/backends/test_backend.py
@@ -9,8 +9,7 @@
 
     parser = argparse.ArgumentParser(description='Tests a particular backend by making a reference led blink')
 
-    parser.add_argument("--backend", type=str, help="The backend used for led communication",
-                        choices=["custom", "fadecandy", "serial", "wled", "lcm"], default="custom")
+    utils.add_backend_args(parser)
 
     parser.add_argument("--reference_led", type=int,
                         help="This is the index of the LED should be visible from the camera", default=0)
@@ -21,7 +20,7 @@
 
     led_count = args.reference_led + 1
 
-    led_backend = utils.get_backend(args.backend, led_count)
+    led_backend = utils.get_backend(args.backend, led_count, args.server)
 
     cprint("Press ctrl-c to cancel")
 
diff --git a/backends/wled/wled_backend.py b/backends/wled/wled_backend.py
index 843f53f..245be95 100644
--- a/backends/wled/wled_backend.py
+++ b/backends/wled/wled_backend.py
@@ -3,16 +3,15 @@
 
 class Backend:
 
-    def __init__(self, wled_base_url="1.2.3.4"):
-        self.wled_base_url = wled_base_url
-        self.led_count = self.get_led_count()
+    def __init__(self, wled_base_url="4.3.2.1"):
+        self.state_endpoint = f"http://{wled_base_url}/json/state"
+        self.info_endpoint = f"http://{wled_base_url}/json/info"
+        self.reset_wled()
 
     def get_led_count(self):
-        # Construct the WLED info API endpoint
-        info_endpoint = f"http://{self.wled_base_url}/json/info"
 
         # Send the HTTP GET request to WLED info API
-        response = requests.get(info_endpoint)
+        response = requests.get(self.info_endpoint)
 
         # Get the LED Count straight from the WLED Device :D
         if response.status_code != 200:
@@ -21,14 +20,25 @@ def get_led_count(self):
         info_data = response.json()
         return info_data['leds']['count']
 
+    def reset_wled(self):
+
+        # Set all the LED's to black on launch
+        payload = {"seg": [{"start": 0, "stop": self.get_led_count(), "sel": True}, {"stop": 0}]}
+
+        # Send the HTTP POST request to WLED API
+        response = requests.post(self.state_endpoint, json=payload)
+
+        # Check if the request was successful (HTTP status code 200)
+        if response.status_code != 200:
+            raise ConnectionError(f"Failed to retrieve LED count. Status code: {response.status_code}")
+        [self.set_led(i, False) for i in range(self.get_led_count())]
+
     def set_led(self, led_index: int, on: bool):
-        # Construct the WLED API endpoint
-        endpoint = f"http://{self.wled_base_url}/json/state"
 
         payload = {"seg": {"i": [led_index, "FFFFFF" if on else "000000"]}}
 
         # Send the HTTP POST request to WLED API
-        response = requests.post(endpoint, json=payload)
+        response = requests.post(self.state_endpoint, json=payload)
 
         # Check if the request was successful (HTTP status code 200)
         if response.status_code != 200:
diff --git a/lib/utils.py b/lib/utils.py
index 6223945..c1a6d3f 100644
--- a/lib/utils.py
+++ b/lib/utils.py
@@ -21,7 +21,7 @@ def add_backend_args(parser):
     parser.add_argument("--backend", type=str, help="The backend used for led communication",
                         choices=["custom", "fadecandy", "wled", "lcm"], default="custom")
 
-    parser.add_argument("--server", type=str, help="Some backends require a server", required=True)
+    parser.add_argument("--server", type=str, help="Some backends require a server")
 
 
 def get_backend(backend_name, led_count, server=""):
@@ -41,9 +41,9 @@ def get_backend(backend_name, led_count, server=""):
         if backend_name == "wled":
             from backends.wled import wled_backend
             if server:
-                return wled_backend.Backend(led_count, server)
+                return wled_backend.Backend(server)
             else:
-                return wled_backend.Backend(led_count)
+                return wled_backend.Backend()
 
         if backend_name == "lcm":
             from backends.lcm import lcm_backend
diff --git a/scripts/latency_check.py b/scripts/latency_check.py
index a5c3537..8a44a99 100644
--- a/scripts/latency_check.py
+++ b/scripts/latency_check.py
@@ -25,7 +25,7 @@
 
     led_count = args.reference_led + 1
 
-    led_backend = utils.get_backend(args.backend, led_count)
+    led_backend = utils.get_backend(args.backend, led_count, args.server)
 
     led_backend.set_led(args.reference_led, False)
 
@@ -54,6 +54,8 @@
             pass
         latencies.append(time.time() - led_update_time)
 
+    led_backend.set_led(args.reference_led, False)
+
     #  remove the first few as they tend to be off
     latencies = latencies[2:]