{"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":"2026-09-17T12:28:09+00:00","price":"73.09","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0FCRYJJPZ?maas=maas_adg_api_584538503507687357_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PBcfe6cdca35bea7104e3de61e1b0cf89d&aa_adgroupid=d11b1f7a7f8454e9409d91bab3d70aa0_PBSEP_!!!affid!!!_118045_&aa_creativeid=ed0fH4lqOp6E2zuVIiL3ATVye_bhCzfpJa2Me6uKhNiqBeEI_c"}],"product":{"brand":"X-SENSE UK","evidence_url":"https://www.mainbuyer.com/evidence/products/x-sense-wi-fi-smoke-alarm-for-home-with-voice-alerts-xs0b-ir-3-pack-b0fcryjjpz/prices","gtin":null,"id":8746,"model_number":null,"name":"X-Sense Wi-Fi Smoke Alarm for Home with Voice Alerts, XS0B-iR, 3-Pack","product_url":"https://www.mainbuyer.com/product/x-sense-wi-fi-smoke-alarm-for-home-with-voice-alerts-xs0b-ir-3-pack-b0fcryjjpz","urn":"MB-AWIN-GB-B0FCRYJJPZ"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"73.09","historical_low":"73.09","last_observed_at":"2026-09-17T12:28:09+00:00","low_30d":"73.09","low_90d":"73.09","median_price":"73.09","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:28:09+00:00"}}