Hi @Aulya_Yarzuki ,
Saved model file is succescfully converted to .tflite file. I have used a simple colab notebook and method from here 3. The file that is produced is about 10MB and is succesfully loaded in netron 5 showing that is an object detection application that you want to build.
Check below code:

ayla1570×560 57.9 KB

Ping me if you want anything else.
Regards