{"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":"2026-09-17T12:29:07+00:00","price":"111.01","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B08766FG4N?maas=maas_adg_api_584538503507687357_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PBcfe6cdca35bea7104e3de61e1b0cf89d&aa_adgroupid=fcdb962440c0992b47bcce7e506ca146_PBSEP_!!!affid!!!_118045_&aa_creativeid=98d72i0FNRt2p3YU2i6gz4TkIwmoKXsS93O5JBPz_bEW_aWa0_c"}],"product":{"brand":"X-SENSE UK","evidence_url":"https://www.mainbuyer.com/evidence/products/x-sense-wireless-interlinked-smoke-alarm-mini-smoke-alarm-for-home-b08766fg4n/prices","gtin":null,"id":10671,"model_number":null,"name":"X-Sense Wireless Interlinked Smoke Alarm, Mini Smoke Alarm for Home","product_url":"https://www.mainbuyer.com/product/x-sense-wireless-interlinked-smoke-alarm-mini-smoke-alarm-for-home-b08766fg4n","urn":"MB-AWIN-GB-B08766FG4N"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"111.01","historical_low":"111.01","last_observed_at":"2026-09-17T12:29:07+00:00","low_30d":"111.01","low_90d":"111.01","median_price":"111.01","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:29:07+00:00"}}