{"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":"2026-11-01T04:10:36+00:00","price":"19.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0H45L7CML?maas=maas_adg_api_588563440394542563_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PBe2fcc25dc0f6758aeaa49f034c422261_0f6654194b69&aa_adgroupid=794924806118b16eafb82948a9df115a_PBSEP_!!!affid!!!_118045_&aa_creativeid=d792cE4KqSqdUN2VCCU3PtSU0fz3VzUHQrD_aVQeWsNq6rAM_c"}],"product":{"brand":"UK-eufy Security","evidence_url":"https://www.mainbuyer.com/evidence/products/eufy-security-wearable-breast-pump-s2-s2-pro-duckbill-valves-4-pack-b0h45l7cml/prices","gtin":null,"id":21019,"model_number":null,"name":"eufy Security Wearable Breast Pump S2/S2 Pro, Duckbill Valves (4-Pack)","product_url":"https://www.mainbuyer.com/product/eufy-security-wearable-breast-pump-s2-s2-pro-duckbill-valves-4-pack-b0h45l7cml","urn":"MB-AWIN-GB-B0H45L7CML"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"19.99","historical_low":"19.99","last_observed_at":"2026-11-01T04:10:36+00:00","low_30d":"19.99","low_90d":"19.99","median_price":"19.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-11-01T04:10:36+00:00"}}