ZK Teco AL20B-R Bluetooth lock Parameter
| Material | Zinc Alloy | |
| Mortise Type | American mortise (AL20B) | German mortise (AL20DB) |
| Door Thickness | 30-54 mm (standard) | |
| User Capacity | 100 | |
| Password capacity | 100 | |
| Fingerprint capacity | 100 | |
| Wireless Module | BLE4.0 | |
| Power Supply | 4×AA Alkaline battery (NOT supplied) | |
| Dimensions | Front – 73(W)×179(L)×37(D)mm, Back – 73(W)×179(L)×27(D)mm | |
Function
• Various access for your convenience – password/card/key/smart phone
• American standard single latch for easy replacement and installation
• Enhanced security by random password for code access
• Idle handle design to prevent from forcible entry
• Voice guide for easier and more convenient use
• Voice volume is adjustable, includes mute mode
• Smart alarm for low battery & illegal operation
• Normal open mode
• External terminals to draw back-up power from a 9V battery
• American standard single latch for easy installation and replacement
• German standard mortise with one latch and one deadbolt – turn handle upward to lock the deadbolt for more security
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