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雙鏡頭技術。一般攝影機的視角過於有限，無法提供完整防護。透過低角度鏡頭，消除盲區，讓您的門口一覽無遺。3 秒預覽影片。查看觸發錄影的原因，了解訪客如何接近您的門口及其當下動作。2K 高動態範圍。2K 高畫質監控確保能從細節中辨識訪客。憑藉高動態範圍技術，即使訪客背光，也能以完美的色彩與清晰度呈現。無月費。隨時免費存取本機儲存空間中的錄影內容，無需訂閱費用。注意：1. 視訊門鈴（有線）S330 必須連接至現有電線。2. 電源需求為 16-24VAC、30VA 或更高。3. 若您的變壓器不符合此標準，則需更換變壓器才能安裝門鈴。若不確定，請洽詢電工。
The low-angle camera catches packages and faces that my old single-lens doorbell completely missed, and the wiring setup took me under fifteen minutes. Footage is crisp even in dim evening light, which makes checking who rang the doorbell feel far less guesswork.
I was skeptical about needing two cameras, but the low-angle lens really does catch packages and faces the old one missed entirely. Setup was straightforward since it's wired, and the full doorstep view gives me real peace of mind now.
The low-angle camera is a game changer—I can finally see packages sitting right at the base of the door, which my old setup completely missed. Setup took about fifteen minutes and the picture quality during the day is sharp enough to read delivery labels clearly.
