Full HD resolution with non-intrusive night vision: real-time streaming and 1080p video, 20 fps-110 wide-angle lens, 4x-8 digital zoom Invisible infrared LEDs in the dark for non-intrusive night vision - The LED the operation of the indicator can be turned off from the YI Home APP (very suitable for unrestricted sleep).Activity detection by artificial intelligence - Human body detection: Detects moving people at speeds up to 20 fps - Sound detection: Detects sounds between 50 and 90 decibels (adjustable) - Push notifications and videos of activities detected: You will receive a notification on smartphone (configurable frequency, sensitivity) and 6 seconds of video each time the camera detects activity - optional limit of the activity zonePocket-sized, stylish and versatile design: Compact camera (8 x 12 cm x 3 cm / 120 g) with stable and adjustable stand, suitable for installation on horizontal surfaces, walls or ceilings. Detachable lens - On / off schedule: Camera working hours can be scheduled for each day of the week through the YI Home app - Advanced security: PIN code is optional to access live streaming and camera settings the camera.Two-way audio: Use the built-in microphone and speakers to talk and listen. Support walkie talkie (one person can talk at a time) and hands-free (two parties can talk at the same time) - Use with ALEXA (ECHO SHOW): Use simple voice commands to broadcast cameras live on the Echo Show screen.Secure storage on YI CLOUD: Run YI CLOUD through end-to-end encryption to save all detected activity videos to protect user privacy.