Specifications: 1. Automatically store in the cloud by pressing the doorbell: Snap 2 photos and store them in the cloud and push the message. 2. Real-time video call: When someone presses the doorbell, a video call can be made through the mobile APP. 3. Long battery life: built-in 1000MAH battery, super battery life. 4. Voice-changing function: Supports switching multiple modes of voice-changing function. 5. Can be inserted into the memory card: maximum support 128G memory card. Description: Product Name: Smart Doorbell Resolution: 1080P Lens wide angle: 90 Battery capacity: 1000mHA Infrared quantity: 6 pieces Night vision distance: 5 meters APP name: Tuya/Smart life Material: plastic colour: black Package Contents: 1 x host 1 x Ding 1 x usb cable 1 x reset pin 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.