... 1.Standalone setting for home or hotel 2.3 grades,99 users,297 ... optical sensor, be more reliable against external strong light.4. 99 users, 297 fingerprint templates, 3 ... Sliding Cover Design, Anti-dust, Water-proof3. High impact stainless steel lock body. Will never corrode, ... moisture, corrosion and loosening.Wiseteam WT- L8with its unique design, robust features, and unsurpassed quality has become the ...