1. Me me, yooj yim rau kev khiav lag luam
2. Ua kom haum rau txhua qhov kev tiv thaiv kab mob sensors
3. tuaj yeem txuas nrog 1 ~ 8 sensors
4. WD200-4 tuaj yeem txuas nrog plaub lub sensors feem ntau
5. WD200-8 tuaj yeem txuas nrog yim sensors feem ntau
6. RS485 lossis RS232 kev sib txuas lus chaw nres nkoj