Eseesmart Fingerprint Bike Chain Lock with Keys, Heavy Duty Anti-Theft Bicycle Chain Lock, 3.28 Ft 8mm Thicker Security Bike Locks Waterproof for Bike, Bicycle, Scooter, Motorcycle, Gate, Fence
🛡️【Latest Upgrades-4 Ways to Unlock】The world's first bike lock with 4-in-1 unlocking: 0.2s AI-powered fingerprint, app control (Bluetooth + Apple Watch), physical spare key (for dead-battery emergencies). Your finger, device, or backup key – ultimate flexibility in any situation.
🔗【Industrial-Grade Security】3.28 Ft 8mm-thick alloy steel chain (50% thicker than others) wrapped in scratch/wear-resistant polypropylene fabric (heat/ice-insulated for comfort), with 65,000N shear resistance and zinc alloy anti-pick lock body—ideal for high-value items like multiple bikes or cargo.
🌧️【Extreme Environment Protection】IP65 waterproof/dustproof rating with sealed fingerprint cover. Thrives in rain, snow, extreme heat, or saltwater. The polypropylene fabric adds extra rust/corrosion resistance – perfect for daily commuting, beachside storage, or mountain biking.
🔋【Ultra-Long Battery + Type-C Fast Charge】330mAh li-ion battery lasts 3,000 unlocks (24 months standby). Type-C charging in 2 hours. Low-battery alert via app/LED – zero downtime for your security.
🛠️【Lifetime Support + 6-Month Warranty】Eseesmart stands behind our innovation: 6-month warranty, free lifetime tech support. Need a replacement, refund, or help? We solve problems, so you enjoy stress-free cycling.