- User Guide
ZKTeco Smart LockZKTeco AL20B Smart Door Lock is the World's First 4-in-1 Keyless Entry Smart biometric Lock, Code + Smartphone + Fingerprint + Key. Using ZK SmartKey app to unlock your door and view your family members In-out activity. Lock and unlock your door from anywhere and give secure digital keys to guests, all from your phone.
World's First 4-in-1 Keyless Entry Smart biometric Lock, Code + Smartphone + Fingerprint + Key.
Visitor Password: Create an ONE-TIME password for your guests, vistors, or house sitters via your smartphone.
A 24/7 activity log tracks who enters and exits your home. And with unique keys for each user, you’ll always know who opens your door and when.
Share codes anytime anywhere, voice guide with adjustable volume, back up key for emergency, bluetooth 4.0 provide less consumption.
Anti-peep password is random digits + correct digits + random digits, user may enter any random digits in front of or behind the correct password to create unlimited random passwords to secure your place.
Material: Zinc Alloy
Door thickness: standard 30-54mm
User capacity: Password / Card - 100
Battery: 4xAA alkaline battery (not supplied)
Communication: BLE 4.0
Dimensions: front: 69(W) x 155(L) x 35(D), back: 69(W) x 155(L) x 25(D)
Return Policy: If the product you receive is not as described or low quality, we promise that you may return it before order completion and receive a full refund.
The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly.
On-time Delivery: If you do not receive your purchase within 30 days, please contact us. For any question please contact us anytime. We will reply you within 2 business days.
Doorlock Unlock Access Methods