{"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":"19.54","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B09H5QG5BR?maas=maas_adg_api_584538503507687357_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PBcfe6cdca35bea7104e3de61e1b0cf89d&aa_adgroupid=acc707f6eb740f21a58237df119d76c4_PBSEP_!!!affid!!!_118045_&aa_creativeid=b016ThervExPnao2kAhk5p_bnPf0COf_b5h88ezumVk8r3LtU_c"}],"product":{"brand":"X-SENSE UK","evidence_url":"https://www.mainbuyer.com/evidence/products/x-sense-wireless-interlinked-smoke-alarm-10-year-battery-sd19-w-1-pack-b09h5qg5br/prices","gtin":null,"id":8055,"model_number":null,"name":"X-Sense Wireless Interlinked Smoke Alarm, 10-Year Battery, SD19-W, 1-Pack","product_url":"https://www.mainbuyer.com/product/x-sense-wireless-interlinked-smoke-alarm-10-year-battery-sd19-w-1-pack-b09h5qg5br","urn":"MB-AWIN-GB-B09H5QG5BR"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"19.54","historical_low":"19.54","last_observed_at":"2026-09-17T12:27:44+00:00","low_30d":"19.54","low_90d":"19.54","median_price":"19.54","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:27:44+00:00"}}