Take our H4-BLE as example. H4-BLE is a full-featured TTLock Keypad Access Control that supports RFID card, BLE mobile unlock, and capacitive touch PIN. All user, password and card settings are managed via TTLock App, making it a secure TTLock Keypad Access Control solution.

Take our S7-BLE as example. S7-BLE is a professional TTLock RFID Access Control device with BLE 4.1 connection.
It supports 13.56MHz RFID card reading and eKey authorization via TTLock App. Verified cards or mobile credentials will trigger the relay to unlock, with access records and time attendance available for TTLock RFID Access Control management.

TTLock focuses on smart lock products and their app, offering keyless entry, access codes, remote control, and security features.

Offers multiple eKeys with time-limited access control.
Enables remote control and activity log monitoring.
Provides offline access with Bluetooth and integrates with some smart home systems.
Features easy installation and multi-language support.
Offers anti-hacking technology and battery life management.

Up to 1,000 records can be stored locally, and cloud-stored records are retained for 6 months.

There's no limit on the number of mobile phone users.

It's not replacing them—TTLOCK only lets you add 20 dynamic passwords per hour.
If you add more within that hour, it'll just reuse the earlier passwords (not overwrite them).

Yes, there's no limit to the number of connected Bluetooth devices. The only restriction is that each device should be within the effective signal range (8m without obstacles) of the gateway.

It can make 150 dynamic passwords.

The Bluetooth version only supports short-range (within ~10m) local operations by default.
A gateway enables remote functions (e.g., remote unlock, access record viewing) via the TTLOCK APP, and expands the device's connectivity range.

You can get it via the official link:https://cnopen.ttlock.com/document/doc?urlName=userGuide%2Fekey.html