{"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":"19.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B08285N9DZ?maas=maas_adg_api_584538503507687357_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PBcfe6cdca35bea7104e3de61e1b0cf89d&aa_adgroupid=5b84131dbf3b9b3223c2b75d1f2f150d_PBSEP_!!!affid!!!_118045_&aa_creativeid=9f0bXjUe0TwlNWj7MOEBbmXpPiRJvKRyKnISc3MLND7k6F4_c"}],"product":{"brand":"X-SENSE UK","evidence_url":"https://www.mainbuyer.com/evidence/products/x-sense-carbon-monoxide-alarm-with-lcd-display-10-year-product-life-co03b-b08285n9dz/prices","gtin":null,"id":8061,"model_number":null,"name":"X-Sense Carbon Monoxide Alarm with LCD Display, 10-Year Product Life, CO03B","product_url":"https://www.mainbuyer.com/product/x-sense-carbon-monoxide-alarm-with-lcd-display-10-year-product-life-co03b-b08285n9dz","urn":"MB-AWIN-GB-B08285N9DZ"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"19.99","historical_low":"19.99","last_observed_at":"2026-09-17T12:27:44+00:00","low_30d":"19.99","low_90d":"19.99","median_price":"19.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:27:44+00:00"}}