KR-4-C-USB Wireless Calling System Display Receiver

With high strength ABS material cover   2.Insert to USB port of the PC to work via management software (Free) .Management all calls by PC, it also can show the calling number by itself 4.Easy to read service type from PC, Read service type from screen directly by red dot 6 It show 3-digit number 001-999 or A01-Z99, work with 999pcs 1-key or multi-key call buttons in max, It can show different service type by dot or last letter .Touch screen. Dimension:282*150*34mm