Wireless Smart Doorbell Household Low-power Wireless Wifi Video Doorbell Smart Wifi Visual Electronic Peephole Wireless smart doorbell home low-power wireless wifi video doorbell Colour: Black Weight: 0.63kg Specification: 75mm*160mm feature: 1. Two 18650 batteries. 2. 2 million high-definition pixels, 1080p, 166 degree wide-angle lens. 3. Support the mobile phone to wake up the device quickly within 3 seconds remotely. 4. Wi-Fi, 2/4G connection. 5. High-quality two-way conversation with noise reduction function. 6. Support PIR motion detection, when someone wanders at the door, immediately remind push notification to the mobile phone. 7. Automatic switching between day and night modes, no matter day or night, the picture is clearly visible. 8. IP64 waterproof. 9. Support multiple languages: Simplified Chinese, English, German, French, Spanish, Portuguese, Japanese, Korean, Russian, Italian, Turkish, Dutch, Danish.