stainless steel ttlock app bluetooth wifi control electronic fingerprint smart door lock for sliding glass aluminum door

this lock with the fingerprint on handle, when the thumb press the handle, the lock will unlock directly. very portable design. this lock support unlock by password, with the touch keypad, and the lock support password protection, this lock with usb power supply and keys unlock for emergency. the app named "ttlock".
ttlock app can remotely unlock the door via bluetooth. ttl system includes a windows desksoftware which is used to issue card, a l app which is used to manage devices, a guest app which is used to unlock with phone.syi