Specifications: 1) No keys or passwords are needed. Unlock the safe door instantly with your fingerprint, which cannot be lost, stolen, duplicated, or misplaced by users. 2)Motorized OPEN/LOCK, convenient and practical 3)One to many (1:N) mode, Speedy matching It only costs 0.5~1 second for matching, reaching world advanced level. 4) Fingerprint Capacity : The system is capable of recognizing 30 fingerprints 5) Back-up power with low power consumption There is a power back-up by 4 pcs of 1.5V alkaline batteries, which normally can support over 2000 OPEN/LOCK operations. There will be audible reminding in case of low battery. 6) Stand-by power supply socket and emergency keys available Beneath the trade mark plate of "POLYSECU", there is one power supply socket for stand-by purposes in case of power failure 7) arious sizes or dimensions of safe bodies available Users can order various safe bodies of various sizes according to their need. Guns or valuables keeping purposes can be simply fulfilled