T3 WiFi Video Smart Doorbell Supports Tuya APP Night Vision Two-way Intercom This doorbell has only two functions: 1. When you press the doorbell button, it will take one photo. 2. After you press the doorbell button to wake up, a real-time video call can be made. Please note: he cannot take videos or actively wake up Note: Cloud storage is free and does not support TF cards. Features: 1. Support WiFi 2.4G wireless network, no wiring required, easy installation, convenient and fast; 2. Rechargeable battery pack: 600mAH battery, long standby time 3. Night vision function: using advanced starlight technology, a 480P CMOS sensor, no additional lighting infrastructure required. 4. Real-time view anytime, anywhere: TuyaSmartApp allows you to enjoy peace of mind, guests can make video voice calls. The owner does not need to open the door to know the information 5. Two-way audio: listen and talk to visitors in real-time view. 6. Ultra-wide-angle lens: wider field of view, covering every corner, whether inside or outside 7. Low battery notification: Notify when the battery level drops to 10% so you can charge it in time.