New ultra-thin metal frame design, simple operation, flexible installation, suitable for a variety of cabinets, such as: Office or home cabinets,Dormitory storage lockers; gym cabinets; swimming pool storage lockers, etc. Large fingerprint capacity, HD non-membrane fingerprint collector, 360°high speed identification, 20 sets of fingerprint capacity. Includes a Micro USB emergency power back-up, low power comsumption design, the battery could normally run for 12 month.www.chinanordson.com/fingerprint-cabinet-lock/fingerprint-cabinet-lock.html