Harmony series product manual

Download the product manual for the Harmony series :

https://cdn.shopify.com/s/files/1/0586/6258/4478/files/BTX_USER_MANUL.pdf?v=1627671658

https://cdn.shopify.com/s/files/1/0586/6258/4478/files/BTX_USER_MANUL.pdf?v=1627671658

Product manual for DY-BEF45, DY-BEF57, DY-BEF64, and DY-BEF80