Door Bells & Chimes features: Wireless Doorbell With HD1080P Camera Wifi Smart Doorbell Infrared Night Vision Outdoor Wireless Doorbell For Smart House| Doorbell(grey) About packaging Option 1:Only Chime*1 Option 2:Only Alexa Doorbell*1 ,Not including Batteries Option 3:Alexa Doorbell*1+Chime*1,Not including Batteries Product Introduction Sharp & Quick Video: we video doorbell uses the best chip for stability and clarity of image and video. We also upgraded the operating system of the APP to ensure its fluency and excellent vision. Smart Home Automation: Connect doorbell to Google Assistant or Alexa and check anytime on what's happening outside your home. Just give a simple voice command to control your home device and enjoy the new voice that's safe to bring into your home. 100% WIRELESS & CORDLESS: we video doorbell can built-in 6800mAh 18650 rechargeable battery, you are not worried about annoying wires. Plug wireless chime at home which reminds you of the visitors when your phone is not by your side. (ONLY works with stable 2.4GHz network, NOT 5GHz network. You can use AC power to support the doorbell work without the batteries too.) Smart Human Detection: security doorbell has built-in upgraded PIR sensor which detects mammals of about 37C/98.6F accurately and sends alerts to your phone timely. doorbell will protect you everyday. Respond in Real-Time: we video doorbell has a real-time two-way voice intercom function with its built-in high dB microphone & speaker, which supports speaking directly to anyone who approaches your front door. The added anti-noise technology ensures a clearer and smoother audio quality Upgraded Chip: we video doorbell uses the latest upgrade Huawei Haisi best chip for stability and clarity of image and video, combined with advanced HDR and distortion correction, refuses any exposed image, ensures video is recorded in high quality. Enhanced WiFi Signal: engineers did many experiments to test different cameras from different companies. The key to solving weak reception is higher signal strength and less network noise. we wireless doorbell enhanced its WiFi module to receive a wider-range WiFi signal, which has much farther transmission distance. wireless doorbell is the answer to your surveillance needs. Encrypted Cloud & SD Card Storage: The Smart Life APP encrypts all video footage within the cloud or local storage. Additional Indoor Chime: indoor chime has 52 kinds of ringtones and 4 levels of volume adjustment can choose. When the visitor presses the doorbell, the indoor chime will light, a clear ringtone can be heard at home, it will remind you when your phone is not by your side which makes your life more convenient. 166 Wider Angle Viewing: wireless doorbell has a built-in 166 wide-angle lens so that you can get a clearer and wider view whenever you won' t be limited by a small view. It's capturing not only your front door but your driveway also, it's reliable to capture the full event. The lens deIivers an ideal viewing range with bright vivid images. 24/7 Security Monitoring: video doorbell deIivers 1920*1080P high definition images, no matter in heat, rain, wind, or shine, you can always capture clearer details. Gazing what you concern, protects you 24/7.