{"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":"2026-09-17T12:27:04+00:00","price":"5.10","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0F4DM32XP?maas=maas_adg_api_577451609539930226_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PB7dcfc9f7d3ba88d097d9be3110b11693&aa_adgroupid=5905950105a3ad2b9bbeb1af6217466a_PBSEP_!!!affid!!!_118045_&aa_creativeid=e417GUvvaecPWD_be9aNc4nZ4cj5O_aMru_ayc2GUn0ycGT2jg_c"}],"product":{"brand":"Nanoleaf UK","evidence_url":"https://mail.mainbuyer.com/evidence/products/nanoleaf-matter-gu10-smart-led-bulb-1-rgbcw-dimmable-spotlight-screen-mirror-16-m-colours-400-lumen-wifi-app-voice-control-alexa-apple-googl-b0f4dm32xp/prices","gtin":null,"id":6903,"model_number":null,"name":"Nanoleaf Matter GU10 Smart LED Bulb - 1 RGBCW Dimmable Spotlight, Screen Mirror, 16 M+ Colours, 400 Lumen, WiFi App/Voice Control (Alexa, Apple, Googl","product_url":"https://mail.mainbuyer.com/product/nanoleaf-matter-gu10-smart-led-bulb-1-rgbcw-dimmable-spotlight-screen-mirror-16-m-colours-400-lumen-wifi-app-voice-control-alexa-apple-googl-b0f4dm32xp","urn":"MB-AWIN-GB-B0F4DM32XP"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"5.10","historical_low":"5.10","last_observed_at":"2026-09-17T12:27:04+00:00","low_30d":"5.10","low_90d":"5.10","median_price":"5.10","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:27:04+00:00"}}