1. The semiconductor fingerprint is unlocked at extreme speed. 2. Thick stainless steel locking beam, without fear of violence to unlock. 3. Splash-proof water, long-term use is not oxidized. 4. Charge for 1 hour, 365 days standby life 5,3 colors are optional, and the hard verification power also has a soft color value. 6. High density zinc alloy locking body 7. Multistage application Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!