electronic tour guide
Before we visit the scenic spots, the pavilion, often in the clouds and fogs, don't know what to watch for, then you need a narrator, but if the distance is far or in noisy environment, we can't good heard the voice of the narrator of the content, then if using our self-help electronic guide machine, we can clearly hear the explanation, and also reduces the labor costs.
electronic tour guide
Self-service electronic tour guide, composed of transmitter and receiver, requires us to input the content of the explanation into the receiver in advance, and then install the transmitter at the point where the explanation is needed. When the receiver receives the signal of the transmitter, it will play automatically.