{"appears_in":[{"position":1,"ranking_slug":"best-dash-cams-2026","ranking_title":"2026 年行车记录仪怎么选：先看前后画质、驻车供电与存储，8 款从日常通勤到四路监控横向对比","score":9.4,"url":"https://buyranker.com/ranking/best-dash-cams-2026"}],"brand":"70mai","buy_url":null,"canonical_url":"https://buyranker.com/product/70mai-dash-cam-4k-a810s","category":{"name":"行车记录仪","slug":"dash-cam"},"cons":["驻车/4G 需配套供电附件","后摄并非 2K 或 4K"],"description":"主摄 3840×2160，3 英寸屏，支持 512GB、GPS、ADAS、语音控制与多种驻车模式。","id":"f9c569be8ab286826bd59fb17d45bac9","image_url":null,"name":"Dash Cam 4K A810S","official_url":"https://www.70mai.com/us/a810s/","price":{"currency":"USD","max":null,"min":null},"pros":["画质与功能均衡","缓冲紧急录制","超级电容更适合高温车内"],"release_year":2026,"slug":"70mai-dash-cam-4k-a810s","specs":{"前摄":"4K 30fps","后摄":"可选 1080p HDR","存储":"32–512GB microSD","电源":"超级电容","传感器":"Sony STARVIS 2 IMX678"},"summary":"Sony STARVIS 2、超级电容与缓冲录制兼备的 4K 双录方案"}