This is an optional accessory for Flat v2 and IWAC Display, which allows to flush-mount these products in Dry-Wall. Polycarbonate frame of the product should be removed according with instructions.
The internal temperature probe should not be used, since a right measurement when flush-mounted cannot be guaranteed.
Accessory of the references : ZVIF1/2/4/6V2 and ZVIIWACDV3