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 7unlocking modes: Integrated password unlocking, card unlocking, remote APP unlocking, call button unlocking, automatic call unlocking, SMS unlocking, exit button unlocking; it also supports temporary passwords and time-based passwords, facilitating the passage of visitors.

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.