Summary No matter where you are, never miss a knock. A wire-free video doorbell and chime are included in the DB2C smart doorbell kit. You can see and hear your guests and answer the door from anywhere because no new wiring is required. With the help of its numerous strong features, begin living a wise, secure, and easy life. Technical Details Resolution 2MP 160° Vertical Field of View Advanced PIR Tamper Alert 5200 mAh Person Detection Reusable Lithium-Ion Battery Night Vision: Up to 20 feet/6 meters H.265 Video Equipment Included Wi-Fi Chime (Accepts MicroSD cards up to 256 GB) Dimensions: 146 x 60 x 34 mm Weight: 206 g; one-year warranty