【Only Keyless Fingerprint padlock】NO Key NO Password NO Bluetooth NO Registration with your privacy information and no problems caused by the APP. Your finger is your key. 10 different fingerprints can be recorded, including 2 administrators(first two).
【USB Rechargeable Battery】The battery of the biometric lock supports 2000 times after a 2 hours full charge. It can still work for 50 times with low battery. 300MAh lithium battery could support 1 year standby time. If battery running out, it will keep locking until a 10 second charge with any portable battery pack and your registrated finger will awaken the padlock.
【High Sturdy Structure】The fingerprint padlock body is made of superior zinc alloy and the lock beam matetial is stainless steel for high hardness and high compressive strength to anti-thief, anti-rust, cut-resistance, and scratch proof. Passed the drop test. Small Size: 2.95 in*1.89in*0.59in, 2.2lb.