{"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":"2026-09-17T12:28:10+00:00","price":"199.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0DCZKZDJK?maas=maas_adg_api_588563440394542563_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=e2fcc25dc0f6758aeaa49f034c422261&aa_adgroupid=35e95d8ab5ca514eec4daa58da94a803_PBSEP_!!!affid!!!_118045_&aa_creativeid=3b07FPvp7C0pJAqxhxg3w3u4Mje1JCjhGPgZfzQS_bxAYSDg_c"}],"product":{"brand":"UK-eufy Security","evidence_url":"https://mainbuyer.com/evidence/products/eufy-breast-pump-s1-pro-wearable-breast-pump-with-heating-technology-b0dczkzdjk/prices","gtin":null,"id":8802,"model_number":null,"name":"eufy Breast Pump S1 Pro, Wearable Breast Pump with Heating Technology","product_url":"https://mainbuyer.com/product/eufy-breast-pump-s1-pro-wearable-breast-pump-with-heating-technology-b0dczkzdjk","urn":"MB-AWIN-GB-B0DCZKZDJK"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"199.99","historical_low":"199.99","last_observed_at":"2026-09-17T12:28:10+00:00","low_30d":"199.99","low_90d":"199.99","median_price":"199.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:28:10+00:00"}}