... 3)support windows 2000,XP,vista 4)1lines usb recorder box ,TYH8200 Quick DetailsPlace of Origin: Guangdong China (Mainland) Brand ... temperature: 10°c to 40°c storage temperature: 0°c to 50°c color:blackwarranty: one year type: usb recorder box line ... Detail: two daysSpecifications1)FSK and DTMF single 2)free calling recorder system 3)support windows 2000,XP,vista 4)1 lines ...