Biometric fingerprint door locks offer tremendous benefits compared to conventional keyed door locks, combination door lock or card reader door locks. Thus, biometric fingerprint door locks are superior for security protection, convenience, and speed. The S510 series utilize high-speed CPU, advanced algorithm, unique sliding cover design, oversized LCD display and voice guide system creating a secure and completely user-friendly environment. The enrollment process is quick, effortless and no keys, codes or pin numbers. Key advantages The S510 offers a unique super-wide LCD display on the front lock body with multilanguage voice operation guide system, which is an unparalleled feature that truly achieve humanized design. Differs from common blue backlight display, SFG LCD is intelligent, more advanced and elegant. Moreover, the multilanguage voice system enable the interactive communication between human and locks. The sliding front cover is another feature of SFG S510 Fingerprint door lock that not only allows protection for the optical sensor but also activates the fingerprint scanner when lifted and it can be accessed by fingerprint, passcode, or emergency mechanical key. Powered by 4AA batteries, S510 is convenient to manager the fingerprints. You can enroll, look up, erase, clear, download, revise and specific rights control of all the fingerprints Features 100% reliable-One Touch Instant Access Fingerprint, password, or mechanical Key Override to access Fashionable slide cover design 50 fingerprint users with two grades Full digital LCD display user interface optical nano meter surface plated sensor Fingerprint scanner is made of extra hard glass to prevent scratches Voice guide system for user friendly communication Auto-lock when door close Easy fingerprints management Fits door thickness of 45-80mm Easy installation on most standard doors Optional Mortise for different application Long battery life time: Exceed 4,500 times (4 x AA Batteries) Low battery warning 1 YEAR Replacement warranty Specification Scanning time <1 Sec Verification time <0.6 Sec FRR 0.01% FAR 0.0001% Static current ≤12MA, standby current <10μA Dynamic current 110mA-180mA Working pressure DC 6V (4X1.5V alkaline batteries) Operating temperature -20~50 Operating humidity 10~92% RH Resolution 500DPI Identification Method 1: N; 1:1 Allowable rotation 360. Language Chinese, English Color available pear chromed; gold; bronze; bronzy; silvery Unlock access fingerprint; password; fingerprint + password; emergency mechanical key Fingerprint capacity 50 Fingerprints (2 for administrator, and 48 for guests) Battery longevity 1 year (normally 4500 uses, and exceed 300 operations after warning) Measurement 316×68×36mm