ZKTeco Biometric Door Lock Fingerprint Lock with Bluetooth, Keyless Entry Door Lock with Smart Phone

had issues with the first two i ordered finally got the manufacture to send and now the product works great the app is a little hard but the system worked very good couldn't be happier with this lock i can't live without it anymore thank you sktico i was easy to install and work perfectly fine i don't know why others have had problems with this but mine is fine i use it on an internal bedroom door my six year old can get in and out of it just fine i use it at my office for the storeroom area and it is fantastic works very well and provides security access to only authorized personal [Music] you