Never miss a knock wherever you are. The DB2C is a smart doorbell kit that contains a wire-free video doorbell and a chime. Since there's no rewiring necessary, you can see and hear your visitors and answer the door from anywhere. Start a smart, safe, convenient life thanks to its many powerful features. #1: 1080p #2: 1600 Vertical Field of View #3: Advanced PIR Person Detection #4: Alarm #5: Wi-Fi Chime Included (Supports MicroSD card up to 256 GB) #6: 5200 mAh Rechargeable Lithium Battery #7: Night Vision up to 6 m (20 ft.) #8: Video Technology