{"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":"2026-10-10T03:09:29+00:00","price":"17.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0GKVSP7F4?maas=maas_adg_api_582065750887797936_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PB3927cf5b0d18d5d11657a5623c6d9f27&aa_adgroupid=d345422a4472d4e86e07b49ed14e1478_PBSEP_!!!affid!!!_118045_&aa_creativeid=7bb6_bRQo_b9qlnKO8bVqRQtlxVA1J9pXOCSFia68HrXkL3Hw_c"}],"product":{"brand":"Warmco UK","evidence_url":"https://mainbuyer.com/evidence/products/warmco-handheld-fan-5000mah-15000-rpm-high-speed-portable-mini-fan-5-speeds-led-display-usb-c-rechargeable-personal-cooling-fan-with-base-for-trav-b0gkvsp7f4/prices","gtin":null,"id":17590,"model_number":null,"name":"Warmco Handheld Fan 5000mAh, 15000 RPM High Speed Portable Mini Fan, 5 Speeds, LED Display, USB-C Rechargeable Personal Cooling Fan with Base for Trav","product_url":"https://mainbuyer.com/product/warmco-handheld-fan-5000mah-15000-rpm-high-speed-portable-mini-fan-5-speeds-led-display-usb-c-rechargeable-personal-cooling-fan-with-base-for-trav-b0gkvsp7f4","urn":"MB-AWIN-GB-B0GKVSP7F4"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"17.99","historical_low":"17.99","last_observed_at":"2026-10-10T03:09:29+00:00","low_30d":"17.99","low_90d":"17.99","median_price":"17.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-10-10T03:09:29+00:00"}}