Come and see our amazing products. Administrator account identify function make the biometric padlock more secure. Storing 40 fingerprints (Including two administrators ) per fingerprint lock padlock,from the 2nd fingerprint collecting or deleting, it need the first admin to authorized,0.5 Second Unlock, Automatic Recognition Technology,Enhanced Security and Cutting-edge fingerprint technology,USB Charging/3.7V Lithium Battery. you could follow the instruction aout the fingerprint setting and keep your things safe. Pls confirm further with us if any query about packing info, inventory status and time schedule.