HD Lens with 90° Wide Viewing AngleThe high-definition lens provides a longer shooting range and wider 90° viewing angle, capturing clear footage of your doorstep with minimal blind spots.Up to 128GB TF Card Storage SupportStore your video recordings locally with a TF card (up to 128GB supported). Review footage anytime, anywhere without relying on cloud services.Remote Visual Intercom via Mobile AppReceive real-time ringtone and pop-up alerts on your phone. Talk with delivery personnel or visitors remotely via two-way audio, even when you’re not at home.IR Night Vision for Clear Nighttime MonitoringEquipped with infrared night vision that automatically activates at night. The light sensor ensures clear visibility in complete darkness, keeping your home safe 24/7.Built-In Battery with Flexible Power OptionsThe doorbell features a built-in battery that lasts about 2 hours on a full charge. It can also be powered via a wall outlet or power bank for continuous, all-day use.