Buffalo Nfiniti High Power WZR-HP-G300NH User Manual page 170

Appendix A Specifications
Other
Power Supply
Power Consumption
Dimensions
Weight
Operating Environment
WZR-HP-G300NH / WZR-HP-G300NH2 Appendix
External AC 100-240 V Universal, 50/60 Hz
About 14.0 W (Max)
165 mm x 158 mm x 30 mm (6.5 x 6.2 x 1.2 in.)
382 g (13.5 oz.) (not including the stand)
0 - 40° C (32 - 104° F), 20 - 80% (non-condensing)
II