All products are new and fully-tested OEM equivalent replacement parts
Overload protection
Short circuit protection
Over temperature protection
Power saver configuration
100% HI-POT tested
100% cycling burn-in
9V AC adapter compatible with Sino-American 41TT2 model 41TT-2 PN 4000-0000-22 Power Payless with 30 days money back guarantee and free shipping .