elinksmart padlock multi-function padlock fingerprint APP keys unlock waterproof dustproof smart fingerprint lock mini lock portable key safe unlock

【Remote authorization unlock】 Remotely authorize your family/friends/colleagues to unlock, no limit to the number of authorized user, and you can set the unlock period and schedule, and review the unlock record with unlock time, unlock method and user name. 【Fingerprint unlock】 Your finger is the key, do not worry about losing the key, Anti-theft, unable to copy keys. Fingerprint support 2 administrator and 13 normal users, 0.5 seconds speedily unlock. 【Extreme running time and USB charging function】Smart warehouse padlock with battery indicator, low power consumption and long standby. The rechargeable lithium battery can support 6 months of standby time and can be unlocked more than 2000 times. When the battery is dead, the smart lock will remain locked, just plug in usb power or charge it with a portable power bank. 【Big size heavy lock】Giant Padlock with 1 CM diameter stainless steel lock shackle, (5.3+4.5)x 6.2x2.5CM,0.36 KG, Shackle inside long 3.5 CM, width 3.2 MM, for superior cut resistance to protect your warehouse or your home against thieves. 【Quality Guarantee】If you have any questions, please feel free to contact us, we will provide 24 hour survice! If you will refund the item please reset and delete adminiter fingerprint, because there is no other way to open the lock except you.