Does the 4G smart doorbell have a lock-opening function?

This 4G villa video door phone adopts a 4G full-network module, supporting 4G/3G/2G networks. It realizes video call, two-way intercom and remote unlock via TUYA APP without broadband.
Equipped with AI smart detection, it supports human, pet, package and vehicle recognition, with real-time cloud upload and APP alerts. It provides 5 unlocking methods: password, APP, call, SMS and exit button.
Supporting 250 user passwords, 5 groups of call numbers, temporary / time-period passwords and max 128GB SD card recording, it features 2MP HD camera, 110° wide angle and starlight night vision.
Widely used in villas, farms, construction sites, parks and apartments with easy installation and stable performance.

It supports both Tuya App video intercom and GSM/3G/4G voice call, ensuring you will never miss any visitor.

4G independent networking, completely getting rid of WiFi restrictions, ensuring continuous security protection at your doorstep

✅ Global Remote Control：No distance limits! Open/close door anytime, anywhere via authorized calls.
✅ Zero Call Cost：Auto-answer on first ring, no charges for trigger calls.