1PC 74*30*142MM ABS plastic intelligent video intercom HD doorbell, two-way audio, 170 degree panoramic view color: gray Material: ABS plastic Weight: 0.6kg Size: 74*30*142MM Option 1: Support Alexa Google Voice Command + 5200mAh battery + room ringtone Option 2: Support Alexa Google Voice Command + room ringtone Option 3: Support Alexa Google voice command + room ringtone + 5200mAh battery + 32G TF card Tuya 1080P FHD WiFi battery-powered video doorbell Wireelss smart doorbell -Resolution: 1920*1080P Full HD video doorbell -5200mAh rechargeable battery and 5V 1A USB cable power supply, with low battery alarm (Battery Rechargeable Replaceable); -Support 12-2V AC/DC wired connection Tuya smart video doorbell -Alarm notification. When someone presses the doorbell, you will receive a push notification from the APP -Two-way audio. Clear and real-time communication with visitors -IP65 outdoor/indoor use certification -Clear night vision. Provide and night monitoring -Advanced passive infrared motion detection. When the doorbell detects movement, the APP will push notifications -Intelligent voice control. Use with Alexa and Google Assistant (optional). When you press the doorbell, alexa will make a "someone at the door" sound. If used with echo show, you can wake up the video doorbell by asking the following command: Alexa, let me see the front door. -Support up to 64G SD card (not included) and cloud storage for alarm recording; APP intelligent playback -Download the free APP "Smart Life" or "TuyaSmart" from Google Play or iOS AppleStore Wide viewing angle 170-degree panoramic field of view; wider field of view covers more, reducing misses. Connection method -Support 12-24V AC/DC wired connection -Support 5200 rechargeable and replaceable batteries