Home Smart WIFI Video Doorbell Remote Wireless Doorbell Mobile Phone Voice Intercom Video Anti-theft Alarm M1 Home smart WIFI video doorbell remote wireless doorbell mobile phone color: gray Material: ABS engineering plastics Weight: 0.8kg Specification: 75*28*143mm notes: -Option [Doorbell]: There is only one doorbell. -Option [32G Doorbell]: One doorbell and 1 SD card. -Option [Door Bell with Bells]: One doorbell and one bell. -Option [doorbell X battery]: a doorbell and 18650 battery. -Option 7: Doorbell X battery X ringtone. -Option [Doorbell X Chime X32G]: A doorbell with Chme and 1PCS SD card. -Option [Only Chime]: There is only one Chime. -Option [DoorbellX32GXBattery]: One doorbell and one SD card with battery. -Option [A series]: A doorbell with 1 SD card, battery and ringtone. Tuya Smart Wireless WiFi Video Doorbell with 1080P Security Camera Doorbell -Resolution: 1920*1080P Full HD video doorbell. -Support rechargeable battery power supply and 5V 1A USB cable power supply. -Support indoor ringtones. A variety of ringtones are available, and the volume is adjustable. -Alarm notification. When someone presses the doorbell, you will receive an APP push notification. -Two-way audio. Built-in microphone and speaker, you can talk with people in real time. -Clear night vision. 1080p high-definition resolution, night vision up to 5m. -PIR motion detection. 160 viewing angle and high-sensitivity motion sensor, when the camera detects an object, the APP will push notifications. -Support the largest. 32G SD card and cloud storage are used for alarm event recording. -Intelligent voice control. Works with Alexa and Google Assistant. -Low power consumption, 6-8 months, 2 3.7V 18650 batteries. The battery can be replaced and recharged.