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| Model: | A221 |
| Color: | Black |
| Support APP: | TTLOCK |
| Material: | Aluminum alloy |
| Lock Cylinder: | Level-C optiomal |
| Technology: | BLE |
| Power: | AA battery * 4 pcs |
| Door Type: | Wooden or Metal door |
| Door Thickness: | 35-55mm |
| Opening Direction: | Left/Right open |
| Size: | Front:68*68*36.5mm
Back:170*69*33.5mm |
| Mortise: | 60/70 adjustable deadbolt |
| Unlock Way: | App,Password,Fingerprint,IC Card,Key |
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| Model: | K3Q |
| Color: | Black |
| Support APP: | TTLOCK |
| Material: | ABS/Acrylia |
| Technology: | Wifi/BLE |
| Power: | DC 12-24V |
| Net weight: | 0.9KGS |
| Size: | 80*126*19mm |
| Unlock way: | App,OR code,Card,Password |
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| Model: | A220 |
| Color: | Silver/Black |
| Support APP: | TUYA/TTLOCK |
| Material: | Aluminum alloy |
| Lock Cylinder: | Level-C optiomal |
| Technology: | Wifi/BLE |
| Power: | AA battery * 4 pcs |
| Door Type: | Wooden or Metal door |
| Door Thickness: | 35-65mm |
| Opening Direction: | Left/Right open |
| Size: | 68*153*31.5mm |
| Mortise: | 60/70 adjustable deadbolt |
| Unlock Way: | App,Password,Fingerprint,IC Card,Key |
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| Model: | A228 |
| Color: | Silver/Black |
| Support APP: | TUYA/TTLOCK |
| Material: | Aluminum alloy |
| Lock Cylinder: | Level-C optiomal |
| Technology: | Wifi/BLE |
| Power: | AA battery*4 pcs |
| Door Type: | Wooden or Metal door |
| Door Thickness: | 35-55mm |
| Opening Direction: | Left/Right open |
| Size: | 68*155*22mm |
| Mortise: | 60/70 adjustable deadbolt |
| Unlock Way: | App,Password,Fingerprint,IC Card,Key |