KR-50 Wireless calling system receiver

With high strength ABS plastic shell,durable in use, digital code technology. Desktop, Show number from 1-30, and show 30 numbers at the at the same time, Show different service type via different light color, It can work with 30pcs 1-key or multi-key call buttons in
max, It can save 30 calling info in turn, Touch screen, Read number and service type in English or simple "dingdong", 10 Dimension: 29*15.5*4cm