1. Using advanced fingerprint recognition technology, it also supports a variety of unlocking methods, including cards, passwords, keys and WeChat one-time codes. 2. The door lock is powered by 4 AA alkaline batteries, no wiring is required, and it is convenient and easy to use. 3. The door lock has low power consumption, with static current less than 20pA and dynamic current less than 200uA, which is energy-saving and environmentally friendly. 4. Working temperature: -30°C to +60°C, can adapt to environments from extremely cold to extremely hot, providing you with a long-lasting and stable use experience. This product is suitable for various door types with door thickness from 38mm to 100mm, including aluminum doors, wooden doors, stainless steel doors and new material (steel-plastic) doors. Made of high-quality SUS304 stainless steel material, it is corrosion-resistant, rust-proof and durable. In addition, the product also offers a variety of optional colors, including si…