HI-WA164DBI

Wi-fi Accessory, standard for Multi 1:2 (need YCJ-A002 for each IU), Multi 1:3 (need 2503320A2), Multi 1:4 (need 2503320A2), Multi 1:5 (need 2503320A2), Mono R32 (need YCJ-A002 for each IU), Mono R410A (need YCJ-A002 for each IU) and Maxisplit.