ZK Teco AL20B-R Bluetooth lock

ZK Teco AL20B-R Bluetooth lock

Lever Lock With Touch Screen and Bluetooth-Fingerprint



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


• 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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