{"dataset":"MainBuyer UK price observations","market":"GB","market_name":"United Kingdom","methodology":"Each observation is stored only when MainBuyer has a timestamped checked retailer offer. Missing days are not interpolated or invented. Historical low, high and median figures use recorded in-stock observations only.","observations":[{"currency":"GBP","in_stock":true,"observed_at":"2026-09-17T12:27:44+00:00","price":"12.91","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0DCP18HBH?maas=maas_adg_api_584538503507687357_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PBcfe6cdca35bea7104e3de61e1b0cf89d&aa_adgroupid=74e3f975dc86f2557b20985baf848418_PBSEP_!!!affid!!!_118045_&aa_creativeid=6f98xTrgtDKOt_bIopWEGDgOXgyRf_aJ5h9bHhP_bJukKTKraM_c"}],"product":{"brand":"X-SENSE UK","evidence_url":"https://mail.mainbuyer.com/evidence/products/x-sense-mini-smoke-alarm-for-home-with-magnetic-mount-xs01-1-pack-b0dcp18hbh/prices","gtin":null,"id":8064,"model_number":null,"name":"X-Sense Mini Smoke Alarm for Home with Magnetic Mount, XS01, 1-Pack","product_url":"https://mail.mainbuyer.com/product/x-sense-mini-smoke-alarm-for-home-with-magnetic-mount-xs01-1-pack-b0dcp18hbh","urn":"MB-AWIN-GB-B0DCP18HBH"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"12.91","historical_low":"12.91","last_observed_at":"2026-09-17T12:27:44+00:00","low_30d":"12.91","low_90d":"12.91","median_price":"12.91","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:27:44+00:00"}}