Meicheng tour guide system wt-480t / r is a uhf wireless tour guide system which performs better signal quality to get low s / n radio (signal noise) than vhf does. the wt-480r receiver has a hang-type earphone, simultaneously transferring 16 selectable channels and 6 channels parallel without interference. this system includes rechargeable batteries. simply plug in the charger directly (hdc-30, hdc-202) for a long time use. our tour guide system could be a tour guiding tool in museum, factory, gallery, exhibition hall, and historical building