Anviz optical sensor: reliable performanceElegant and stylish designRipeness circuit system, good stabilization Power-saving function: dormancy if fingerprint fail for 5 times or no operation for
5s Automatic door opening functionExternal battery available if internal battery runs outEmergency mechanical key in case of malfunctionBox material: S45CDimensions: 195mm x 400mm x 410mm (can be customized)Fingerprint storage capacity 8 (extendable)