KENSINGTON Mouse Pad - 65709, Network frequency 50 Hz, Reactive power rating 62 kvar for 400 V AC 50 Hz, Network rated voltage 400 V AC 50 Hz, 415 ,V AC 50 Hz, Voltage 690 V, Internal voltage transformer 400/230 V, Black, Smooth mousing surface. KENSINGTON Mouse Pad - 65709.