{"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":"2026-09-17T12:29:01+00:00","price":"149.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0D6YFQ6N8?maas=maas_adg_api_588563440394542563_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=e2fcc25dc0f6758aeaa49f034c422261&aa_adgroupid=2b923524a1ccd409d8195d45212208d2_PBSEP_!!!affid!!!_118045_&aa_creativeid=5388s8e1jK2ShjCj7HcjHjwSPvfT2rofWPTMHGgxxk7Pzw4_c"}],"product":{"brand":"UK-eufy Security","evidence_url":"https://www.mainbuyer.com/evidence/products/eufy-breast-pump-s1-wearable-electric-breast-pump-with-heating-technology-b0d6yfq6n8/prices","gtin":null,"id":10460,"model_number":null,"name":"eufy Breast Pump S1, Wearable Electric Breast Pump with Heating Technology","product_url":"https://www.mainbuyer.com/product/eufy-breast-pump-s1-wearable-electric-breast-pump-with-heating-technology-b0d6yfq6n8","urn":"MB-AWIN-GB-B0D6YFQ6N8"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"149.99","historical_low":"149.99","last_observed_at":"2026-09-17T12:29:01+00:00","low_30d":"149.99","low_90d":"149.99","median_price":"149.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:29:01+00:00"}}