Clear 2K Video Security Kit – The DB2 records everything happening at your doorstep in 2K resolution with 5-meter infrared night vision.
Pair with Chime – The chime can help extend your Wi-Fi signal, and boost the network for the doorbell to ensure it get connected stably.
Wide Field of View – With a 176-degree viewing angle, you can easily see the postman from head to toe and know where he places your package. 
PIR Human Motion Detection – With both human-shape and PIR detection capabilities, the device is smart enough to distinguish people from pets or objects. 
Two Storage Options – Support both a microSD card (up to 256GB) and EZVIZ CloudPlay for unlimited storage space and an additional layer of data protection.
DB2