5MP Super HD Day & Night! Incredible 5MP HD, with advanced HDR/3D DNR and distortion correction technologies, brings you sharp and detailed images even in low light conditions..2.4/5GHz WiFi & Waterproof! No worry about network disconnection; its 5GHz WiFi ensures a stable and fluent network experience. No worry about harsh weather as well; it's waterproof!.180° Wide Viewing Angle! Find the right position for your doorbell with its 15° wedge kit and enjoy the super wide field of view. Get more extra surrounding details for better and quicker responses..Chime V2 Included! Plug the chime included to any electrical socket at any room and be confidently alerted when visitors "knock". You can choose 1 of its 10 tunes and adjust its volume..Answer the Door Faster! With its built-in mic and speaker, you can hear and talk back to the visitors even if you're not at home. You can also preset voice messages or automatic replies for times when you're occupied.