... to receiver exit delay - receiver send singal to ip camera or dvr by I/Ofunction by wire silent /siren ... control . our device cannot supply 12dc power for IP camera or dvr , the device itself is supported by ... .3.our device cannot supply 12dc power for IP camera or dvr , the device itself is supported by ... without sending singal to IPcamera in order to ip camera taking photo .just want to test if the ...