Remote Authorization Unlock Remotely authorize family, friends, or colleagues to unlock. The app supports one administrator and up to 500 standard users. The administrator can set unlock time periods and schedules, and review unlock records including time, method, and user name. Fingerprint Unlock Use your fingerprint for quick, one-second unlocking. Register up to 15 fingerprints, including two administrator fingerprints. Weather-resistant design. No physical reset button—only the administrator can manage or delete fingerprints. Compact Size & Weather Resistance Mini fingerprint padlock with a 0.4 cm diameter stainless steel shackle. Dimensions: (4.3 + 2.1) x 4.2 x 1.6 cm. Weight: 74 g. Inner shackle length: 1.7 cm; width: 2 cm. Body made of zinc alloy; shackle made of stainless steel. IP65 rated for dust and water resistance. Long Battery Life & USB Charging Equipped with a 110 mAh rechargeable lithium battery. Supports up to 6 months of standby time and over 2,000 unlocks. Low-battery indicator turns red; recharge via USB cable or power bank. Versatile Applications Suitable for indoor and outdoor use—including doors, gates, cabinets, sheds, suitcases, bags, boxes, bicycles, luggage, fences, garages, and offices. For returns, contact customer service. The padlock must be unlocked before return.