Item Type: Fingerprint bike lock Material: Aluminum alloy, stainless steel, PVC Lock Body: Approx. 68x33x25mm/2.68x1.3x0.98in (LxWxH) Wire Rope Diameter: Approx. 11mm/0.43in Wire Rope Length: Approx. 1m/3.28ft Lock Body: Surface sandblasting + anodizing (after 48 hours salt spray test) Lock Beam: Stainless steel (passed 48 hours salt spray test) Unlocking Method: Fingerprint unlocking Fingerprint Capacity: 20 pieces Charging Interface: Micro USB Receive Sensitivity: -90dbm Battery: 1 x 150mAh lithium battery (built in) Working Range: -20-70 Working Voltage: 3.4V-4.2V Charging Method: Rechargeable, non-replaceable battery Battery Life: Standby for 180 days (5 times per day on average), more than 1000 times of continuous unlocking Waterproof Performance: IP67 (dust proof, immersion proof) Working Humidity: 5%-95% (non condensing) Lock Beam Tensile Strength: Vertical tension 150kg, lateral tension 120kg Drop Test: 2 meters high, 6 way drop Package List 1 x Fingerprint Bike Lock 1 x Manual 1 x USB Charging Cable The product defaults to no account status, and any fingerprint can be opened. When the fingerprint is set, your finger will become the key. By default, the fingerprint entered for the first time is the administrator fingerprint, and other fingerprint entries can only be entered through the administrator fingerprint authorization. 10.5S Fingerprint Unlocking: With the help of artificial intelligence fingerprint algorithm learning technology, allround fingerprint recognition, correction of minor errors and automatic fingerprint repair. 2Rechargeable: Support for Android USB charging interface, super long standby time of 180 days, can be charged with power bank, don't worry about not being able to open the lock without power. 3High Reliability: Aluminum alloy lock body, the surface is sandblasted and anodized, with long service life and good anti theft performance. 4High Toughness: The lock rope is made of composite wound stainless steel wire, which has high strength and high toughness, and is not easy to break. 5Waterproof: The outer layer is made of environmentally friendly PVC material leather case, IP67 waterproof and dustproof performance, multilayer protection to protect your bicycle.