{"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":"2026-09-17T12:27:10+00:00","price":"17.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0B5VQY5HQ?maas=maas_adg_api_592388559938624374_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=0a643cf523b775142609495fd9d7916d&aa_adgroupid=b9c5d9637afa68058268d6ffc90ff0ff_PBSEP_!!!affid!!!_118045_&aa_creativeid=87e4MJsT0_bypQxqd8OoGS3hGmQt5cw_bFClD3JSKfe73l_aLY_c"}],"product":{"brand":"TP-Link UK","evidence_url":"https://mail.mainbuyer.com/evidence/products/tapo-s220-smart-light-switch-2-gang-1-way-smart-switch-hub-required-b0b5vqy5hq/prices","gtin":null,"id":7055,"model_number":null,"name":"Tapo S220 Smart Light Switch 2 Gang 1 Way Smart Switch, Hub Required","product_url":"https://mail.mainbuyer.com/product/tapo-s220-smart-light-switch-2-gang-1-way-smart-switch-hub-required-b0b5vqy5hq","urn":"MB-AWIN-GB-B0B5VQY5HQ"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"17.99","historical_low":"17.99","last_observed_at":"2026-09-17T12:27:10+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":"2026-09-17T12:27:10+00:00"}}