DC1690 Single Channel Receiver can be used to connect to AC Powered Chain Window Opener iSW DJ51TS or iSW 35S AC powered tubular motor and iSW 82S AC powered curtain motor which all of them haven't built in receiver, so DC1690 make them to be controlled by the remote ( emitter ), then you can use the WiFi bridge DD7002B to control them after, meanwhile you can use it as switch as well .
Because iSW DJ51TS has Multi-motors With One Switch feature, so you can just use one of DC1690 to control many iSW DJ51TS window openers in the same time, it will be good for those window in very high position particularly.
It can be installed on our DC68 switch flush box or Europe and British standard flush box which the Device screw distance is 60.3 mm.