1PC smart WiFi1080P network wireless doorbell, high quality two-way call, easy to operate Smart WiFi1080P Network Wireless Doorbell -- 2*18650 specification batteries -- 1080P HD pixels collocated with 166 wide- angle lens -- Support mobile phone remote fast wake up device within 1 second. -- 2.4G Wi-Fi connection (NOT support 5G) -- High quality two-way talk with noise cancellation --Support PIR motion detection, when someone hovers at the door, immediately alerts push notifications to the mobile phone. --Day and night mode automatic switching, whether day or night, the image is clearly visible, for your safety and family security. NOT Waterproof *The video doorbell is not waterproof, please make sure not the doorbell will be away from rain Two Way Audio --Built in microphone and speaker,support real time video,which allows you talk with your visitor in real time wherever you are. --When a visitor presses the doorbell sound is activated and the camera will start sending real- time images and call to the cell phone. PIR Motion Detection --Only Detect the Bodys, more accurate --Advoid the Wrong alarm by Car, Wing, Light movement compare with normal Motion