diff --git a/comfy_api_nodes/nodes_kling.py b/comfy_api_nodes/nodes_kling.py
index d10023620..00f5d6f98 100644
--- a/comfy_api_nodes/nodes_kling.py
+++ b/comfy_api_nodes/nodes_kling.py
@@ -108,6 +108,15 @@ MAX_PROMPT_LENGTH_IMAGE_GEN = 500
 MAX_NEGATIVE_PROMPT_LENGTH_IMAGE_GEN = 200
 MAX_PROMPT_LENGTH_LIP_SYNC = 120
 
+# TODO: adjust based on tests
+AVERAGE_DURATION_T2V = 319  # 319,
+AVERAGE_DURATION_I2V = 164  # 164,
+AVERAGE_DURATION_LIP_SYNC = 120
+AVERAGE_DURATION_VIRTUAL_TRY_ON = 19  # 19,
+AVERAGE_DURATION_IMAGE_GEN = 32
+AVERAGE_DURATION_VIDEO_EFFECTS = 320
+AVERAGE_DURATION_VIDEO_EXTEND = 320
+
 R = TypeVar("R")