With a motion-activated camera, two-way audio and brilliant HD video, you'll never miss a visitor again. See, hear and speak to anyone at your door in real time from your smartphone, tablet or desktop. Day or night, rain or shineyoure always home. Mount and set up your doorbell in just minutes with our included tool kit and simple instructions. Designate areas to monitor, customize sensitivity and get real-time alerts when visitors are detected. Get alerts to your smartphone, tablet or desktop, and monitor and interact with visitors in real time.