Waste of time, had one of these and was repaired a number of times, the rotary encoder wears out and makes setting the time a frustrating process. Also didn't seem to cook evenly. John Lewis refunded and I bought a Panasonic 1000w Inverter, far better microwave.
Moronics never have stock
Heat comparison to other 800w microwaves
simply electrics have price matched and offer free delivery https://www.simplyelectricals.co.uk/samsung-ms23f301tas-microwave-oven
How do they measure? :/