Full-Color Night Vision: This video doorbell provides 2K ultra HD clarity and a 170° ultra-wide angle for a wide view in front of the door. Its advanced light capture and processing algorithms enable full-color night vision up to 16.4 ft/5 m Smart Detection: Our ring video doorbell provides a human radar motion sensor plus shape detection to capture events, send alerts, and reduce false alarms. It also monitors and identifies packages at your door, sending instant updates Large Storage & Long Battery Life: This doorbell camera supports up to 128GB TF card (sold separately) for 200 h of loop recording or TUYA cloud storage. Its 5300mAh battery lasts up to 180 days (5 times a day), while wired mode enables 24/7 recording Smart Interaction: Our ring doorbell wireless is compatible with Alexa and Google Assistant for smart home integration