diff --git a/src/camera_calibration/launch/calibration_launch.py b/src/camera_calibration/launch/calibration_launch.py
index 6868c46..7fa36bc 100644
--- a/src/camera_calibration/launch/calibration_launch.py
+++ b/src/camera_calibration/launch/calibration_launch.py
@@ -31,6 +31,8 @@ def generate_launch_description():
         DeclareLaunchArgument('grid_cols', default_value='6'),
         DeclareLaunchArgument('grid_rows', default_value='5'),
         DeclareLaunchArgument('min_samples_per_cell', default_value='1'),
+        DeclareLaunchArgument('exposure_time', default_value='3000'),
+        DeclareLaunchArgument('gain', default_value='16.0'),
     ]
 
     # HikCamera node
@@ -41,6 +43,8 @@ def generate_launch_description():
         emulate_tty=True,
         parameters=[hik_params_file, {
             'camera_info_url': hik_camera_info_url,
+            'exposure_time': LaunchConfiguration('exposure_time'),
+            'gain': LaunchConfiguration('gain'),
         }],
     )