Fingerprint and Bluetooth Padlock, Touch Sensor Accurate Identification IP65 Waterproof Smart Key less Lock for House Door Suitcases Cabinets Bicycle Backpack * With ENER-J's fingerprint unlock design you dont have to worry about losing your keys or forgetting password. Through Capacities Touch Sensor, our smart padlock can identify your fingerprint accurately. Supports up to 16 groups of fingerprints. * We select ADC12 Aluminum Alloy and Type 303 Stainless Steel as material, which has excellent strength and will never rust. Great security performance will protect your cabinet and home against thieves * Using QR Code provided in package to download free APP (for Android and iOS), one can then enjoy convenient key less design and share access with friends, family.