Q1
English: Does this door phone need home broadband or WiFi?
Answer: No need for WiFi, network cables or broadband. Just insert a standard SIM card and power on the device, then it can work normally. Perfect for places without network coverage.
Q2
English: Which cellular network bands does this 4G door phone support?
Answer: It adopts full Netcom 4G module, compatible with 4G/3G/2G universal networks, stable signal, no disconnection and no stuttering during long-time use.
Q3
English: What AI detection functions does this device have?
Answer: Built-in intelligent AI chip, supports human body, pet, package and vehicle recognition. Once abnormal motion is detected, real-time alarm notification will be pushed to your Tuya APP immediately.
Q4
English: How many unlocking methods are available for this door intercom?
Answer: It supports 5 unlocking modes: local password unlock, Tuya APP remote unlock, phone call unlock, SMS unlock and indoor exit button unlock. It also supports temporary password and timing password for visitor access.
Q5
English: How many user passwords and dial numbers can be stored?
Answer: It can store maximum 250 groups of user passwords and 5 groups of preset call numbers. The 5 numbers support automatic rotation dialing to avoid missing any visitor calls.
Q6
English: How is the night vision effect at night? Is the picture clear in dark environment?
Answer: Equipped with 2MP starlight night vision camera plus automatic LED fill light. Compared with ordinary infrared night vision, it presents more real color images at night, 110° wide viewing angle to monitor all outdoor corners clearly.
Q7
English: Does this device support local video recording and playback?
Answer: Yes. It supports micro SD card local storage, maximum expandable to 128GB. Users can check historical video records anytime via Tuya APP.
Q8
English: What are the three management ways for this door phone?
Answer: Triple management system includes local keypad onsite setting, remote SMS command configuration and mobile Tuya APP intelligent management, meeting different operation demands for engineers and end users.
Q9
English: Can it work normally under extreme outdoor temperature?
Answer: Adopt industrial-grade hardware design, working temperature ranges from -20℃ to 65℃. It can work stably in high temperature summer and freezing winter, suitable for outdoor long-term installation.
Q10
English: What application scenarios is this 4G video door phone suitable for?
Answer: Widely used for private villas, construction sites, farms, residential compounds, rental apartments, factories, parks and other places without wired network and WiFi coverage.
