diff --git a/README.MD b/README.MD
index a7c861fd..e06b2cc4 100644
--- a/README.MD
+++ b/README.MD
@@ -161,7 +161,15 @@ ros2 service call /camera/set_color_auto_exposure std_srvs/srv/SetBool '{data: f
 ```bash
 ros2 service call /camera/set_white_balance orbbec_camera_msgs/srv/SetInt32 '{data: 4600}'
 ```
+* Set laser enable
+```bash
+ros2 service call  /camera/set_laser_enable std_srvs/srv/SetBool "{data: true}" 
+* ```
 
+* toggle sensor 
+```bash
+ros2 service call  /camera/toggle_ir std_srvs/srv/SetBool "{data : true}"
+* ```
 ---
 ## Known issues
 * TODO: