Real-time Notification: Smart visual intercom system, when the visitor presses the doorbell camera button, the indoor monitor or TUYA Smart APP rings, you can talk to the visitor, then just press the unlock button on the indoor monitor or smartphone to open the door to welcome the visitor. Infrared Night Version & Waterproof Doorbell: Equipped with a light sensor and infrared LED lens, 1080 HD camera, the durable outdoor doorbell can automatically switch the infrared LED at night to provide clear images. Up to 2 doorbells, 2 cameras can be connected to 4 indoor monitors. Make your life safer and more convenient. Support connecting electronic door locks: The doorbell can be connected to various 12V electronic door locks, such as electric locks, electromagnetic locks, and cathode and anode locks, etc. It supports monitoring the monitor to unlock the door with a key, and unlock the door at Remotely control via mobile phone app. Auto Recording & Recording: When the visitor presses the