A water spray head for a shower or sink includes means for emitting and receiving signals for automatic operation in response to the presence of a user. The means are positioned such that the stream of water surrounds the emitting and receiving means. The emitting and receiving means includes conduit means disposed within at least a portion of water supply connected to the spray head. In one embodiment, the conduit is in the form of a fiber optic cable. In another, an emitter and detector are mounted in the spray head and the conduit comprises electrical conductors.