🔒【Fingerprint Unlock】-Your finger is the key, no more worry about forgetting the password or losing the key. Fingerprint unlocking takes only 0.5 seconds, 50 fingerprints capacity, can be shared with family members. 🔒【Long Battery Life & Rechargeable】-Built-in 250mAh lithium battery, long battery life. When the battery is about to die, it can still be unlocked, but it will flash a red light to indicate. When completely dead, it can be recharged with an external power supply with USB port. 🔒【Sturdy and Durable】- Made of zinc alloy, sturdy and stable, with good cut resistance, smash-proof and drop-proof. Through-body sealed design, waterproof rating up to IP66, even in the wet outdoor can be used normally. 🔒【Lightweight and Portable, Wide Use】-Lightweight and compact, can be carried around and used at any time. It is the trendy choice among padlocks nowadays. It can be used in gyms, schools, homes, swimming pools, gymnasiums, and can also be used for bicycles, gates, fence gates, backyard gates and so on. 🔒【After-sale Guarantee】Promise that within 30 days, any quality problems will be returned and replaced. If you have any questions about fingerprint padlock, feel free to contact us, we will be the first time to solve for you! KENRONE Fingerprint Padlock, Biometric Padlock, Smart Padlock with USB Charging, Waterproof Locker Lock for Gym, School, Swimming Pool, Sports Ground