Features of our product:1) 1080P Wifi Video Doorbell Camera & Work with Alexa, Google Assistant. Provide surveillance of all front door activity in high definition 1920x1080p resolution. This home security camera features an extra-wide 170 viewing angle allowing you to cover every angle. You can also install everywhere. Working with Google Assistant or Amazon Alexa. Just say Alexa, show me my front door, and enjoy the convenience of a smart doorbell.2) 170 Wide Angel and PIR Motion Detectoin. The WiFi doorbell camera provides wider viewing angle greatly reduces the blind area and built-in PIR & motion sensor detects that effectively filters out invalid alerts. Once a motion has been detected, the video doorbell will send a message to your smartphone via TUYA APP to help better detect family actions such as postman or thieves. Make you feel at ease even at night or you go out.(Only supports 2.4GHz Wi-Fi)3) Day&Night Vision & Intelligent Auto Light-up Chime. It monitors your home with infrared night vision and live view, provides surveillance of all door activity, no matter how dark it is outside the door, it can shoot clearly. Chime to hear notifications for your doorbell camera when someone rings the doorbell. Also, the LED will automatically light up when a human body is sensed at night, and will automatically turn off when the person leaves the sensing range for 35 seconds4) Real-Time 2-Way Talk & support TF Card and Free Cloud Storage. Wireless Doorbell Camera can provide you real-time clear 2-way audio with built-in microphone and speaker. Support up to 128G SD card for saving recorded video(SD card depends on different package ) and FREE cloud storage at first month, App will remind to renew after expiration, and allows up to 6 people to view online footage at the same time.5) Powered by Wired and Battery & Easy to Install. Powered by using your home& 39;s existing doorbell wiring (12V-24V) and rechargeable battery. Two power supply methods meet your different needs. You can install the Doorbell Camera without using any complicated tools. It comes with screws and double-sided adhesives allowing you to install it anywhere. Please connect the phone and test the function of the machine before installation.Product Name:Wireless Vision DoorbellShutter: 1/25 second to 1/100,000 secondInfrared: 4pcs 5mm 850nm LEDWide dynamic: digital wide dynamicVideo compression standard: H.264/H.265Compressed output bit rate: 32Kbps~2MbpsMaximum image size: 1920 X 1080Frame rate: 1~25 frames/secPower consumption: standby current 1.5mA, working current 200mAAudio: Full-duplex audioStorage: Support TF card (Max. 128G), cloud storageImage settings: support HD/SD; support mirroring;One-key restore: supportInterface protocol: privateCommunication protocol: TCP/IP, HTTP, DHCP, DNSGeneral function: dual stream, password protectionWifi: IEEE802.11b/g/n (2.4G 50 meters)Trigger: Support button, PIRIndicator light:1. Red light is always on: the camera network is abnormal2. Red light flashing: waiting for WiFi connection or currently being connected (flashing faster)3. Steady blue light: running