HomeSmart Fingerprint Lock Smart Fingerprint Lock 0 Superhero December 15, 2023 Best product buy link -About this item1. Material - Zink Alloy & Stainless Steel2. Color - Multicolor3. Dimension - 4.5 x 1.3 x 7.5 Cm4. Weight - 130 Grams5. How to Use - (1) Unlock the lock with any fingerprint. Then, press and hold till the blue light is on. (2) Press the same finger on different position time by time till the green light is on(Please 10 time to touch) (Change another position to press if the red light is on) (3) Register another fingerprint at the same way of step to till the green light is off, which means two fingerprints are successfully registered.6. USB charging capability for convenience - The padlock comes equipped with a USB port, making it easy to charge it up using a power bank, laptop, or any other USB-compatible device. You'll never have to worry about replacing batteries, as you can charge it up and use it again and again.7. Lightweight design for portability - Weighing in at just a few ounces, the Ultra Light Fingerprint Padlock is incredibly lightweight and easy to carry around with you. You can take it with you to the gym, school, or anywhere else you need to secure your belongings without adding any extra weight to your bag. NewerSmart Fingerprint Lock Older