知名品牌中，哪些无线婴儿监视器最可靠？

The VTech VM3254 is a non-Wi-Fi video baby monitor with a 2.8 in color LCD screen, automatic infrared night vision, temperature monitoring and two-way audio. Its long range and extended rechargeable battery life suit parents who want a portable, straightforward monitor from a well-known brand.

The Owlet Dream Duo combines the Dream Sock wearable monitor with the Dream Sight camera, providing 2K HD video, night vision, two-way audio, and tracking for pulse rate, oxygen levels, sleep, room temperature, and humidity. It suits parents who want a well-known smart monitoring system with both video coverage and wearable sleep insights.

The LeapFrog LF2936FHD is a 1080p Full HD smart baby monitor with a 5.5in touch-screen parent viewer, colour night vision, motorised pan and tilt, and remote viewing through the app. Its two-way audio, temperature and humidity sensors, soothing sounds, and long-lasting battery suit parents who want reliable home monitoring with convenient smartphone access.

The eufy Baby Monitor E21 pairs a 4K UHD camera with a 5-inch display for clear day-and-night monitoring, including pan/tilt/zoom. It supports local use and remote checking through the eufy Baby app, and the camera has a built-in 5,000mAh battery for use without needing a continuous plug-in. It also includes night vision and monitoring features like noise and temperature alerts.

eufy E21 is a hybrid baby monitor that pairs a 4K UHD camera with a 5-inch parent display, giving parents day-and-night visibility with pan/tilt and zoom. It supports hybrid monitoring with the app and a local monitor connection, plus active noise reduction and smart alerts for cries and loud sounds. It's designed for families who want detailed camera clarity and battery-powered flexibility without relying on continuous wired power.