Smart Wireless Remote Video Doorbell Intelligent Visual Doorbell Home Intercom HD Night Vision Wifi Security Door Doorbell,For Tuya App Feature: High definition clear video with 125 viewing angle, display the details in front of your door,reliable and practical WIFI connection, no wire needs, achieve a two way intercoms between the doorbell and mobile phone.Real-time mobile phone, support two-way calls, photos, recording, caring for your family makes you more secure Equipped infrared night vision, automatically open at night The doorbell can be controlled by APP, intelligent and portable.Portable in size and weight, convenient to install and remove. Connect your device by downloading the Tuya app Uses: Guests can make video and voice calls.The host can realize the visitor information without opening the door Features: wireless connection, ultra-low power consumption, can support multiple accounts to watch online at the same time Product parameters: Product Name: Smart visual doorbell Battery type: 3 x AAA battery (not included) Rated voltage: DC 4.5v Aperture: f2.2 Storage function: ring and snap app storage Wireless connection: WiFi Resolution: 640x480 Lens angle: 125 Night vision lamp: infrared lamp IR Nightvision:4 pieces 850mm Nightvision: Automatic switching Connectivity:WIFI 2.4GHZ & Bluetooth (not support 5G WIFI) Voice system: bidirectional voice Working temperature: 0-45 Working humidity: 10%-90%rh, no condensation Power consumption: low power standby, fast start APP:Tuya Doorbell size:8.2x4.5x2.2cm/3.23x1.77x0.87 inch Package size:10.8x8.7x5.8cm/4.25x3.43x2.28 inch Gross weight:185g/0.41 lb The Package Include 1 x Doorbell 1 x Ding-dong machine 1 x Use manual 1 x Installation tool