1. Kichik o'lchamli, ishlatish uchun qulay
2. Barcha qarshilik kuchlanish datchiklari uchun mos bo'ling
3. 1 ~ 8 datchikga ulanishi mumkin
4. WD200-4 ko'pi bilan to'rtta sensorga ulanishi mumkin
5. WD200-8 ko'pi bilan sakkizta sensorga ulanishi mumkin
6. RS485 yoki RS232 aloqa porti