SY-30 4 inch PIR Night Vision 2.4G Video Intercom Doorbell(Gray)

1. Screen: 4inch
2. Indoor unit built-in power supply: 2000mAh
3. Outdoor unit built-in power supply: 5000mAh
4. Maximum support 128G
5. Support motion detection (PIR)
6. Support night vision function: 940nm infrared light
7. Built-in 12 languages
8. Charging port: TYPE-C
9. Viewing angle: 75 degrees
10. Detection distance: 2 meters