All products are new and fully-tested OEM equivalent replacement parts
AC / DC Adapter Charger Cord for US Robotics USR3453C Courier 56K Business Modem USR4000 Call Director Wall
Input voltage: 100V ~ 240Vac 50/60 Hz
Overload protection
Short circuit protection
Over Temperature protection
Power Saver Protection
100% HI-POT tested
100% cycling burn-in