Record the exact model
Family name alone may not identify the connector, size, revision or production-year differences.
Check dimensions and interfaces
Physical fit, voltage/power, software version and mounting pattern can all matter depending on the product.
Use official compatibility information where available
Manufacturer fit lists are stronger than assumptions based on appearance.
Keep packaging until confirmed
Return conditions may be easier to meet when packaging and labels remain intact during the first test period.
General educational information only. Consumer rights, tax treatment, warranty obligations and return remedies vary by seller, product and jurisdiction. Use the actual contract/policy and current official consumer guidance where rights matter.