{"id": 33151, "title": "Gravity - MAX30102搭載 心拍/酸素飽和度センサ", "brand": "DFRobot", "mpn": "4570056886423", "sku": "8363", "category": null, "price": 4281.0, "currency": "JPY", "price_usd": 27.4966, "availability": "out_of_stock", "seller": {"id": "swi", "name": "Switch Science", "domain": "www.switch-science.com", "country": "JP"}, "seller_url": "https://www.switch-science.com/products/8363", "page": "https://roboticmarket.aigap.com/p/33151.html", "first_seen": "2026-08-05 09:52:47.816691+00:00", "last_seen": "2026-08-05 09:52:47.816691+00:00", "image": "https://roboticmarket.aigap.com/media/img/swi/48/48edb48e0ec8adb9c766feafdf6fddb5.jpg", "price_history": [{"at": "2026-08-05 09:52:47.816691+00:00", "price": 4281.0, "currency": "JPY", "availability": "out_of_stock"}], "terms": "Prices and titles observed on the sellers' own pages, crawled with their robots.txt obeyed. Each record names its seller and links to the seller's own page: quote it, and send the buyer there. Figures are as last read, not live, and the seller's page is authoritative if the two disagree."}