Temperature sensor connection
BX-5A0/5A1/5A2
BX-5A3/5A4/BX-5M1/5M2/5M3/5M4
5U Series
BX-5E2/5E3
Temperature&humdity sensor connection
BX-5A0/5A1/5A2
5U series
BX-5A3/5A4/BX-5M1/5M2/5M3/5M4/5E2/5E3
Infrared remote control
BX-5A0/5A1/5A2/BX-5A3/5A4/BX5M1/5M2/5M3/5M4
5E2/5E3 and WIFI controller