{"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":"2026-11-01T04:10:32+00:00","price":"309.00","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0H24T659N?maas=maas_adg_api_588563440394542563_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PBe2fcc25dc0f6758aeaa49f034c422261_9ab279d2743d&aa_adgroupid=71cae892782cb90b597fbb94583eb930_PBSEP_!!!affid!!!_118045_&aa_creativeid=2ff5XoA1udUN0rzzXPZF7WRmm2g1dl97hVXpBFzEpfW5HNY_c"}],"product":{"brand":"UK-eufy Security","evidence_url":"https://mail.mainbuyer.com/evidence/products/eufy-security-nvr-e50-8-16ch-ai-facial-recognition-smart-video-finder-b0h24t659n/prices","gtin":null,"id":21011,"model_number":null,"name":"eufy Security NVR E50, 8-16CH, AI Facial Recognition, Smart Video Finder","product_url":"https://mail.mainbuyer.com/product/eufy-security-nvr-e50-8-16ch-ai-facial-recognition-smart-video-finder-b0h24t659n","urn":"MB-AWIN-GB-B0H24T659N"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"309.00","historical_low":"309.00","last_observed_at":"2026-11-01T04:10:32+00:00","low_30d":"309.00","low_90d":"309.00","median_price":"309.00","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-11-01T04:10:32+00:00"}}