DESCRIPTION: The Six Zone Wireless Door Bell System is perfect for offices where multiple services are required. This door bell system features two kinds of ringtones allowing you to choose the one as per your requirement. Made from high quality materials it is long lasting. PRODUCT FEATURES: Ideal for office hospital restaurant and etc where services are needed with six zones Adopt energy-saving circuit Load three LR6 batteries on receiver before use Two sounds for option Adopt energy-saving circuit batteries for transmitters can work for one year batteries for receiver can work for three months Wireless service this device a dedicated elevator intercom hotels dedicated doorbell Patented power-saving technology Has two kinds of ring tones available for selection Service 2-6 zones The Six Zone Wireless Door Bell System is perfect for offices where multiple services are required. This door bell system features two kinds of ringtones allowing you to choose the one as per your requirement. PRODUCT FEATURES: Ideal for office hospital restaurant and etc where services are needed with six zones Adopt energy-saving circuit Load three LR6 batteries on receiver before use Two sounds for option Adopt energy-saving circuit batteries for transmitters can work for one year batteries for receiver can work for three months Wireless service this device a dedicated elevator intercom hotels dedicated doorbell Patented power-saving technology Has two kinds of ring tones available for selection Service 2-6 zones