The adapter - "MAX 13A 250v~ CHECK YOUR APPLIANCE IS COMPATIBLE WITH 250V~ SUPPLY"
Link: http://www.argos.co.uk/static/Product/partNumber/9827590.htm
The monitor - Power: 100 - 250V~ 50/60Hz 1.5A
and
Power Consumption
Power On Mode : <31.7W*
Power Saving Mode : <0.5W
Power Off Mode : <0.5W
Voltage : 100-240V, 50/60Hz
Link: http://www.scan.co.uk/products/29-asus-pb298q-ah-ips-ultra-wide-219-displayport-hdmi-dvi-vga-2560x1080-300cd-m2-80m1-5ms-speakers
Link: http://www.argos.co.uk/static/Product/partNumber/9827590.htm
The monitor - Power: 100 - 250V~ 50/60Hz 1.5A
and
Power Consumption
Power On Mode : <31.7W*
Power Saving Mode : <0.5W
Power Off Mode : <0.5W
Voltage : 100-240V, 50/60Hz
Link: http://www.scan.co.uk/products/29-asus-pb298q-ah-ips-ultra-wide-219-displayport-hdmi-dvi-vga-2560x1080-300cd-m2-80m1-5ms-speakers