Feature: 1. [Artificial Intelligence] The more artificial intelligence is used, the more sensitive it is. It adopts high-resolution fingerprint module for omnidirectional fingerprint identification 2. [Flexible] Fix the subtle error of each unlock and automatically repair the fingerprint. Continuously improve the success rate through learning algorithm 3. [USB charging] USB charging, ultra long standby, like a mobile phone, use portable charging treasure to charge 4. [Application scenario] Used in various scenes, suitcases, lockers, file cabinets, backpacks, fitness cabinets 5. [Excellent durability] Solid structure, made of stainless steel, excellent stability, IP65 waterproof and dustproof Specifications: Item type: padlock fingerprint sensor Material: stainless steel, zinc alloy, ABS Model: GS30F Usage: safe, gym cabinet, luggage, dormitory, cabinet door Battery: 3.7V 60mAh lithium battery (built-in battery) USB power supply: DC 5V False recognition rate: 0.01 percent Fingerprint capacity: 20 Charging time: 1 hour Unlock method: fingerprint < br or > Package list: 1 x fingerprint padlock 1 x USB cable 1 x user manual Note: Built-in battery shipping Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.