Security Biometric Fingerprint Lock Keyless Keypad Door Lock Satin Chrome This state-of-art lock has been designed in US; The lock features a combination of a fingerprint scanner and a keypad enabling both the fingerprint entry and keypad code entry The Scyan X7 lock has self-learning ability, which enables the lock to update a user fingerprint template after every fingerprint entry; This unique feature significantly reduces rejection rate Two modes to login the system: programming code or administrator fingerprint; Make operation secure and easy Reversible handle fit either left or right handed door; Reversing lever controlled by key; Removable key cylinder lets user to make key copy or re-key without bring the whole lock Outside chassis double-shell heavy duty construction design; Fits a USA standard 2-1/8" diameter hole with a thickness of 1-1/4" to 2-1/4" door; Two small extra hole need to be drill