Shenzhen AODSN Technology Co., Ltd
Contact：Mr MAO Tel：13713831508 Service Hotline：0755-2811 5911
Fax：0755-2309 3366 Add：2nd Floor, Building 27, Baolong First Rd, Longgang District, Shenzhen, China
Addresses the demonstration
System characteristic of the doorbell switch rooms, in addition to the visitor has the function of the bell, do not disturb, please namely cleaning, please wait outside display function, and also for special room for the guests, the hotel receptionist, indicator light instructions, for guests to provide comfort and convenience.