2.5x the Clarity: The built-in Sony 2K sensor & professional-grade lens allow you to view activity in picture-perfect resolution. See visitors in sharp detail as they approach your door. No Monthly Fee: Designed to protect your home as well as your wallet, eufy Security products are one-time purchases that combine security with convenience. All your data is stored locally meaning you will never have to pay for cloud storage. * Home Base sold separately Dual Power Options: Half a year of coverage from one charge or non-stop power supply via a wired connection. Expanded Field of View: The increased 4:3 Aspect Ratio ensures you get a head-to-toe view of anyone who approaches & gives you the perfect viewing angle every time. Next-Level Detection: Have total control over what is detected through the use of the motion sensor, smart human detection, & activity zones. Receive real-time alerts when anyone approaches so that you never miss a delivery or keep guests waiting 2K & WDR See visitors in sharp detail as they approach your door against any backlighting. Power-Savvy Connection The private low-power wireless connection between the Doorbell & Homebase reduces standby power consumption by 58%. Storage You Can Trust Military-grade AES-256 data encryption ensures your footage is kept private on transmission & storage. Enhanced Human Detection The on-device AI instantly analyses each event & accurately determines whether or not a human is present. This ensures only relevant alerts are sent & that you are notified in real-time. Customized Detection Draw an Activity Zone to customize the area in which motion is detected. Exclude busy pedestrian areas or roads to reduce the number of false alerts you receive. “ Hey Alexa, show me my front door” Connect your Doorbell to Google Voice Assistant or Amazon Alexa & check in anytime on whats happening outside your home. Respond in Real-Time Speak directly to anyone who approaches your front door via two-way audio. Tell your friends to come round the back or that you have just run out to get some milk. Interaction Made Easy Record & set up to 3 instant responses. When you are notified of activity simply select one of your pre-recorded responses to interact & give instructions.