A white casing and an unopened-looking box tell you little about a smoke alarm’s remaining service life. If a marketplace listing catches your eye, ask for a clear photograph of the rear label before discussing collection. This is a way to reject an unsuitable product, not a recommendation to buy a second-hand safety device. For home protection, prefer a new alarm from a reliable supplier with clear instructions and traceable dates.
A useful first message is specific: ask for the complete label in daylight, without glare, and the matching instruction booklet. A distant picture of several boxes is not enough. Keep the conversation focused on identifying the product rather than negotiating a discount before you know what is being offered.
Start with the exact model
Päästeamet: service life depends on the model; check the marked date and the manufacturer’s instructions.
Ask for a readable image showing the manufacturer, model and all date markings. Request a separate picture of the packaging if it carries different information. Do not assume that a purchase receipt, battery date or handwritten installation date is the sensor’s manufacture date. Each can refer to something different.
Keep the evidence tied to one item
Keep the seller’s answers beside the photographs, with one entry for each item. If the conversation refers to several boxes, ask which one you would receive. Do not transfer an answer about one example to another simply because the packaging looks similar.
- Can you identify the exact model without guessing?
- Are the relevant dates legible and explained by the instructions?
- Does the seller distinguish unopened stock from previously installed equipment?
- Is a new, clearly documented alternative available?
Make an unhurried decision
For your shopping notes, save the model, the label photograph and the relevant instruction page together. If any essential detail remains uncertain, choose a clearly documented new product instead. Clear evidence should help you make a cautious decision, not turn an unknown safety device into a bargain.