{"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":"2026-11-13T04:11:43+00:00","price":"727.66","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0B9YCT42Z?maas=maas_adg_api_593479520834513908_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PB7bebd87d1125fc8509144c73a18adb14_268d72138285&aa_adgroupid=fea475d1eb42b8bb5f9ce20ab87aacf8_PBSEP_!!!affid!!!_118045_&aa_creativeid=e5d6Gf1MidC99wmI9MpQvgq_aB_bRHgIBIAUfjL_axff4VsIhA_c"}],"product":{"brand":"Hollyland-UK","evidence_url":"https://www.mainbuyer.com/evidence/products/hollyland-mars-4k-wireless-transmitter-receiver-5g-sdi-hdmi-video-transmission-system-4kp30-1080p60-support-23-98-29-97-59-94-fps-sdi-out-450ft-los-range-66ms-latency-4-app-mon-b0b9yct42z/prices","gtin":null,"id":22757,"model_number":null,"name":"Hollyland Mars 4K Wireless Transmitter Receiver 5G SDI HDMI Video Transmission System, 4Kp30/1080p60, Support 23.98/29.97/59.94 FPS SDI Out, 450FT Los Range 66ms Latency, 4 App Monitoring (1","product_url":"https://www.mainbuyer.com/product/hollyland-mars-4k-wireless-transmitter-receiver-5g-sdi-hdmi-video-transmission-system-4kp30-1080p60-support-23-98-29-97-59-94-fps-sdi-out-450ft-los-range-66ms-latency-4-app-mon-b0b9yct42z","urn":"MB-AWIN-GB-B0B9YCT42Z"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"727.66","historical_low":"727.66","last_observed_at":"2026-11-13T04:11:43+00:00","low_30d":"727.66","low_90d":"727.66","median_price":"727.66","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-11-13T04:11:43+00:00"}}