{"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":"2026-09-17T12:26:39+00:00","price":"28.79","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0BDFPLVT9?maas=maas_adg_api_584538503507687357_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PBcfe6cdca35bea7104e3de61e1b0cf89d&aa_adgroupid=c5666dea74881e2c47f1e6abde3b6f4c_PBSEP_!!!affid!!!_118045_&aa_creativeid=1438gRonUbHy6K_bnYO6B4Z7lQUWI00iW2V4WeG2DfGyYrlE_c"}],"product":{"brand":"X-SENSE UK","evidence_url":"https://mainbuyer.com/evidence/products/x-sense-wi-fi-carbon-monoxide-detector-with-app-functions-xc04-wx-1-pack-b0bdfplvt9/prices","gtin":null,"id":6230,"model_number":null,"name":"X-Sense Wi-Fi Carbon Monoxide Detector with APP Functions, XC04-WX, 1-Pack","product_url":"https://mainbuyer.com/product/x-sense-wi-fi-carbon-monoxide-detector-with-app-functions-xc04-wx-1-pack-b0bdfplvt9","urn":"MB-AWIN-GB-B0BDFPLVT9"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"28.79","historical_low":"28.79","last_observed_at":"2026-09-17T12:26:39+00:00","low_30d":"28.79","low_90d":"28.79","median_price":"28.79","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:26:39+00:00"}}