{"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":"2026-11-14T04:11:39+00:00","price":"58.78","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0FCRNNWKD?maas=maas_adg_api_584538503507687357_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PBcfe6cdca35bea7104e3de61e1b0cf89d_717e5d16e803&aa_adgroupid=d6d8d34250a917d2c688236a35ddeaac_PBSEP_!!!affid!!!_118045_&aa_creativeid=9f0f6aenJDJ8Md380hgsR8qu4pZRZVBVvNrOIZ6SYEBFMEA_c"}],"product":{"brand":"X-SENSE UK","evidence_url":"https://www.mainbuyer.com/evidence/products/x-sense-smart-smoke-alarm-for-home-with-magnetic-mount-sd11-mr-3-pack-b0fcrnnwkd/prices","gtin":null,"id":22940,"model_number":null,"name":"X-Sense Smart Smoke Alarm for Home with Magnetic Mount, SD11-MR, 3-Pack","product_url":"https://www.mainbuyer.com/product/x-sense-smart-smoke-alarm-for-home-with-magnetic-mount-sd11-mr-3-pack-b0fcrnnwkd","urn":"MB-AWIN-GB-B0FCRNNWKD"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"58.78","historical_low":"58.78","last_observed_at":"2026-11-14T04:11:39+00:00","low_30d":"58.78","low_90d":"58.78","median_price":"58.78","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-11-14T04:11:39+00:00"}}