Feature:1. Long Standby: No disassembly cycle charging. Built-in lithium-ion high-capacity battery, long standby. The doorbell is powered by built-in large battery, no need to charge frequently; and the chime is of USB power supply, easy and convenient for use.2. Video Call: Easy to deal with visiting guests, when someone presses the doorbell, the doorbell will push notification to the phone, and the owner can enter the phone video conversation interface.3. Portable Installation: Can be pasted and perforated. Support adhesive backing, no need to punch holes, while supporting hole punch installation. No plugging, convenient and hassle-free.4. Capture Screen: Storage to the cloud, security conservation drip. When a visitor presses the doorbell, it can capture the visitor\u0027s picture and save the record to the cloud, so that the cell phone APP can view the past pictures at any time, which is safer and more secure.5. Wireless Video Doorbell Camera: Support 2.4G WiFi and APP connection, 480P high resolution, presenting you clearer pictures \u0026 videos and more details. 2-Way Audio: With built-in mic, you can see and talk to your visitors at anytime and anywhere.6. Night Vision: Built-in high-quality IR LED lamp beads and light sensor, the picture is clear at night; also can automatically switch to night mode from day mode after the ambient light drops down to 2 Lux. Strong and stable signal, easy to pair up, transmission range up to 50 meters, ring tones and volume can be adjusted according your preference.Specification:Features:Long Standby: No disassembly cycle charging. Built-in lithium-ion high-capacity battery, long standby. The doorbell is powered by built-in large battery, no need to charge frequently; and the chime is of USB power supply, easy and convenient for use.Video Call: Easy to deal with visiting guests, when someone presses the doorbell, the doorbell will push notification to the phone, and the owner can enter the phone video conversation interface.Portable Installation: Can be pasted and perforated. Support adhesive backing, no need to punch holes, while supporting hole punch installation. No plugging, convenient and hassle-free.Capture Screen: Storage to the cloud, security conservation drip. When a visitor presses the doorbell, it can capture the visitor's picture and save the record to the cloud, so that the cell phone APP can view the past pictures at any time, which is safer and more secure.Wireless Video Doorbell Camera: Support 2.4G WiFi and APP connection, 480P high resolution, presenting you clearer pictures & videos and more details. 2-Way Audio: With built-in mic, you can see and talk to your visitors at anytime and anywhere. Night Vision: Built-in high-quality IR LED lamp beads and light sensor, the picture is clear at night; also can automatically switch to night mode from day mode after the ambient light drops down to 2 Lux. Strong and stable signal, easy to pair up, transmission range up to 50 meters, ring tones and volume can be adjusted according your preference. Specification:Name: Smart DoorbellMaterial: ABS Plastic Electronic ComponentsColor: BlackMax. Resolution: VGA, 640*480Video Coding Standard: MJEPGAudio Coding Standard: G711.AVideo Frame Rate: VGA@20fpsDay/ Night Mode Switch: AutomaticVideo Transmission Encryption: AESRadio Frequency Coding: EV1527Infrared Lamp Control: Automatic, Adjustable SensitivityInfrared Lamp Length: 850nmMotion Detection: Automatic, Adjustable AensitivityConnection Mode: 2.4G WiFiWorking Temperature: -1045 Working Humidity: 95%Doorbell Battery Capacity: 1000mAhPackage list:1*Smart Doorbell1*Usb Cable1*User Manual1*Some ScrewsPackage List:1*Smart Doorbell1*Usb Cable1*User Manual1*Some Screws