23 L Convection & Grill Microwave Oven(NN-CT35MBFDG, SILVER)

The maker's exact model code. Appliance marketing names are reused across capacities and star ratings, so the model number is the only reliable identifier when comparing listings.

Usable volume in litres. For refrigerators this is the gross figure, which counts space the shelves and fittings occupy, so the usable amount is lower.

India's Bureau of Energy Efficiency rating, from 1 to 5. More stars means less electricity for the same work, and the running-cost gap over a decade often exceeds the difference in purchase cost. Always read it with the rating year.

The year the star rating was issued. BEE revises its thresholds periodically, so a 5-star from 2018 can be worse than a 3-star issued today. Without this year the star count alone can mislead.

Electricity drawn while running. It decides whether the appliance can run on an inverter or a generator, which the star rating does not tell you.

Operating noise in decibels. A difference of 10 dB is heard as roughly twice as loud, so it matters for a bedroom air conditioner or a washing machine in a flat.

How many preset cycles the machine offers. Beyond a handful the extras are often variations, so the specific programmes you need matter more than the count.

Whether the appliance can be controlled from the maker's phone app. App support can be withdrawn years later, which removes the feature from a working appliance.

Width x depth x height in millimetres. Check it against doorways and the alcove the appliance must fit, and allow the clearance the maker specifies for ventilation.

The finishes this model is sold in.

What the maker covers and for how long, usually split between the whole appliance and its most expensive part. Compressor and motor warranties often run far longer than the general one, and that gap is the fact worth reading.

Whether the maker includes installation. For air conditioners this is a substantial separate cost, and additional copper piping is usually charged extra either way.

A link to the maker's own specification page for this exact model. It is the source a disputed fact here should be checked against, and it outranks any marketplace listing.

Which revision of the maker's spec page these facts were read from, as a date or version. Makers quietly edit spec pages after launch, so this records which wording was in front of us.