3. 1080P day and night full color, equipped with a 2MP HD lens. Built-in 2Pcs White LED and 4Pcs IR LED, Monitor moving objects, automatically illuminate. 4. Two-way audio. Built-in microphone and speaker,bring you real-time two-way audio.You can use it to talk with your family via your smartphone remotely anytime anywhere. 5. It can be used in harsh environments.The outer shell of our product is made of high-grade plastic , which is waterproof, weatheproof,anti-lighting, thermostability, antifreeze. 6. PIR Human Detect, Motion Detection. Human passby will triggered the alarm video and pushed the alarm to your mobile app.