{"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":"2026-10-03T19:11:35+00:00","price":"45.72","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B07WD9XSYQ?maas=maas_adg_api_584538503507687357_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PBcfe6cdca35bea7104e3de61e1b0cf89d&aa_adgroupid=518d67cdad6c27b0b026b86829fca876_PBSEP_!!!affid!!!_118045_&aa_creativeid=4100CoGdx69eA58reyz6QgaUld6zH0v2YhRwUlJ4aodNw0I_c"}],"product":{"brand":"X-SENSE UK","evidence_url":"https://mail.mainbuyer.com/evidence/products/x-sense-smoke-alarm-10-year-battery-fire-alarm-smoke-detector-with-led-indicator-silence-button-conforms-to-en14604-standard-sd2j0ax-5-pack-b07wd9xsyq/prices","gtin":null,"id":15425,"model_number":null,"name":"X-Sense Smoke Alarm, 10-Year Battery Fire Alarm Smoke Detector with LED Indicator & Silence Button, Conforms to EN14604 Standard, SD2J0AX, 5-Pack","product_url":"https://mail.mainbuyer.com/product/x-sense-smoke-alarm-10-year-battery-fire-alarm-smoke-detector-with-led-indicator-silence-button-conforms-to-en14604-standard-sd2j0ax-5-pack-b07wd9xsyq","urn":"MB-AWIN-GB-B07WD9XSYQ"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"45.72","historical_low":"45.72","last_observed_at":"2026-10-03T19:11:35+00:00","low_30d":"45.72","low_90d":"45.72","median_price":"45.72","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-10-03T19:11:35+00:00"}}