Doorbell Camera Resolution:1920 x 1080P Full HD Video Doorbell Alarm notification. When someone the doorbell, you receive a notification that APP pushed Two Way Audio. Clearly communicate with visitor in real-time Advanced PIR Motion Detection. When the doorbell detects movement, APP push notification Support Max 128G SD Card(Not Include) and Cloud Storage for alarm recording; Smart Playback via APP 170° Wide View Angle Support 12-24V Wired Connection(Adapter Not Include) Support Voice 64000mAh Rechargeable Battery Built-In USB Chime Built-In Micro-USB charging port (The product appearance and printed words depending on the batch, but this does not affect use) Color: As Shown Material: ABS Package Contents: 1 * Doorbell kits 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.