The 

HelloBaby HB6550

 is a popular, non-WiFi video baby monitor that features a 5-inch color screen and a remote pan-tilt-zoom camera. It uses a secure 2.4GHz FHSS digital signal, making it hack-proof and safe, with no app or internet connection required. 

Key Features and Specifications

• Display: It has a 5-inch LCD color screen with 2x digital zoom.
• Camera Control: The camera can be remotely controlled to pan 355° horizontally and tilt 120° vertically for a wide view of the room.
• Connectivity & Range: Operates on a secure 2.4GHz FHSS signal with a range of up to 1000ft in an open area (performance may vary indoors depending on obstructions).
• Night Vision: Features invisible infrared LED night vision for a clear view of your baby in low-light conditions without disrupting their sleep.
• Audio: Offers two-way talk audio so you can comfort your baby from another room, and includes 8 built-in lullabies.
• Battery Life: The parent unit offers up to 16 hours in continuous video mode and up to 30 hours in the power-saving VOX (voice-activated) mode.
• Additional Monitoring: Includes room temperature monitoring with alerts and a sound level LED indicator.
• Expandability: The system is expandable and can connect up to 4 cameras, allowing you to monitor multiple rooms or children.