Real-Time Two-Way Audio: Receive instant notifications on your mobile devices when visitors press the doorbell. Engage in clear, bidirectional communication via the integrated app, ensuring you never miss a visitor, whether you're at home or away. Enhanced Night Vision: Featuring advanced infrared technology, this doorbell automatically activates in low-light conditions, providing crisp video footage during the night. A built-in light sensor ensures optimal visibility, keeping your home secure 24/7. Smart, Portable Control: Manage your doorbell effortlessly with a user-friendly app. Its compact design makes installation straightforward, while intelligent automation offers convenience and enhances your home's security without the need for constant manual input. Efficient Cycle Charging: Equipped with a high-capacity 1000MAH lithium-ion battery, enjoy over six months of reliable use on a single 1.5-hour charge. Supports up to 128GB SD card (not included) and cloud storage, ensuring all your data is safely recorded. Broad WiFi Compatibility: Connect seamlessly to your home's 2.4G WiFi network within a 33-foot range. Monitor your doorstep from anywhere via live video on your smartphone, tablet, or laptop, ensuring you stay connected no matter where you are. Color: Black Material: ABS Package Contents: 1 * doorbell 1 * Ding Dong Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.