{"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":"22.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0G7V32JK4?maas=maas_adg_api_588563440394542563_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PBe2fcc25dc0f6758aeaa49f034c422261_79da55054b76&aa_adgroupid=3161d4ed7b371dbb7ef2a8510775ecd6_PBSEP_!!!affid!!!_118045_&aa_creativeid=0b7330dTTBrwjoNOEL4_aL_aICp6uHxHY5CXMbudgpoQC_bJJw_c"}],"product":{"brand":"UK-eufy Security","evidence_url":"https://www.mainbuyer.com/evidence/products/eufy-entry-sensor-e20-dual-side-detection-convenient-bypass-button-extended-battery-life-long-communication-range-requires-a-eu-version-of-homeba-b0g7v32jk4/prices","gtin":null,"id":21006,"model_number":null,"name":"eufy Entry Sensor E20, Dual-Side Detection, Convenient Bypass Button, Extended Battery Life, Long Communication Range, Requires a EU version of HomeBa","product_url":"https://www.mainbuyer.com/product/eufy-entry-sensor-e20-dual-side-detection-convenient-bypass-button-extended-battery-life-long-communication-range-requires-a-eu-version-of-homeba-b0g7v32jk4","urn":"MB-AWIN-GB-B0G7V32JK4"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"22.99","historical_low":"22.99","last_observed_at":"2026-11-01T04:10:32+00:00","low_30d":"22.99","low_90d":"22.99","median_price":"22.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-11-01T04:10:32+00:00"}}