{"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":"2026-09-17T12:28:22+00:00","price":"26.34","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0BTPNZTBD?maas=maas_adg_api_584538503507687357_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PBcfe6cdca35bea7104e3de61e1b0cf89d&aa_adgroupid=fbc9324af6094fc6759e0114a7b7dd4e_PBSEP_!!!affid!!!_118045_&aa_creativeid=ef26MME4O4JFSGHwbf0E72a1L22r_bcjryGaenAsu2nHie5s_c"}],"product":{"brand":"X-SENSE UK","evidence_url":"https://mail.mainbuyer.com/evidence/products/x-sense-smart-carbon-monoxide-detector-sbs50-base-station-required-xc01-m-b0btpnztbd/prices","gtin":null,"id":9141,"model_number":null,"name":"X-Sense Smart Carbon Monoxide Detector, SBS50 Base Station Required, XC01-M","product_url":"https://mail.mainbuyer.com/product/x-sense-smart-carbon-monoxide-detector-sbs50-base-station-required-xc01-m-b0btpnztbd","urn":"MB-AWIN-GB-B0BTPNZTBD"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"26.34","historical_low":"26.34","last_observed_at":"2026-09-17T12:28:22+00:00","low_30d":"26.34","low_90d":"26.34","median_price":"26.34","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:28:22+00:00"}}