Camera with crystal clear 4K HD resolution , day or night. Features ultra-sensitive sensor, colour night vision and cross- camera tracking. Facial recognition function has the capability to differentiate between family and strangers. Delivers uninterrupted 24/7 recording, while stable Wi-Fi coverage reaches every corner of the home (up to 464 m² / 5,000 ft²), avoiding security blind spots caused by Wi-Fi dropouts or insufficient Wi-Fi coverage. Eufycam E330 ensures your data is protected with advanced encryption. Works with - Amazon Alexa - Google Home - iOS App - Android App Camera Resolution: 4K 8m Night Vision Range 138° Fixed Lens 2-Way Audio with Noise Cancellation PIR Sensor Smart Hub Required Works with - Amazon Alexa - Google Home - iOS App - Android App Camera Resolution: 4K 8m Night Vision Range 138° Fixed Lens 2-Way Audio with Noise Cancellation PIR Sensor Smart Hub Required