Technology
Technology, specified by model.
Core and Classic use local Bluetooth. Smart Handle Locks include Tuya and TTLock variants, with WiFi documented for Retesz Vision and other connectivity subject to exact configuration.
Core & Classic / Local technology
At the door.
Not in the cloud.
Core and Classic access is managed locally over Bluetooth. Grant and revoke access on site, at each door, from a smartphone.
Explore the technologyConnect locally
Bring your smartphone to the door and connect over Bluetooth.
Manage access on site
Add or remove resident, staff and vendor access at that lock.
No gateway required
No gateway or per-lock network setup is needed for local operation.
This local-operation description applies to Core D1 and Classic D2071. Smart Handle Locks use model-specific app and connectivity variants; review each product page.
Core & Classic / The local connection
One phone. One door.
Core and Classic connect locally at the door. Explore each handle model for its specific connectivity options.
Your smartphone
On site, at the door
Retesz Core / Classic
Credential management at the lock
Four AA alkaline batteries · Low-battery warning · Local operation does not require WiFi.
Local by design
Core and Classic access changes require being on site, at the lock. These deadbolts do not offer verified remote cloud management. Handle-lock connectivity is listed separately per variant.
Battery powered
Core and Classic use four AA alkaline batteries. Handle models have their own power requirements; unconfirmed battery specifications are withheld pending confirmation.
A physical backup
Core and Classic include mechanical key access alongside fingerprint, passcode, IC card and Bluetooth entry. Handle-lock entry methods are specified individually on each model page.
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