Used hive smart heating thermostatic radiator valves (TRV) with one adaptor already attached PRICE IS FOR ONE HEAD No adaptors apart from the one that is fitted to the unit. Turns on but I cannot test that it connects to hub Combined postage on multiple purchases Batteries not included. Will be randomly selected from the box when you purchase As these are used there may be minor marks on them but this does not affect the operation. Please see pictures as they form part of the description