Specification: _x005f_x000D_ Certification: CE _x005f_x000D_ Origin: Mainland China _x005f_x000D_ Color: Black _x005f_x000D_ Material: Zinc alloy _x005f_x000D_ Unlock method: fingerprint, TTLOCK APP, key _x005f_x000D_ User capacity: 100 sets of fingerprints _x005f_x000D_ Waterproof grade: IP67 _x005f_x000D_ Power interface: Type-C _x005f_x000D_ Charging method: rechargeable battery _x005f_x000D_ Unlock time: ≤ 2 seconds _x005f_x000D_ Working temperature: -20~70 degrees Celsius _x005f_x000D_ Working humidity: 0% -90% RH without condensation _x005f_x000D_ Support for mobile system: Android 4.3/for IOS 7.0 or above _x005f_x000D_ Size: About 108x64mm/4.25x2.51inch _x005f_x000D_ Weight: 445g _x005f_x000D_ Attention: _x005f_x000D_ Remember to charge it first after receiving it. _x005f_x000D_ Be sure to keep the spare key by your side or outdoors, and be sure to keep it safe just in case. _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Note: _x005f_x000D_ Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! _x005f_x000D_ Please allow 1-2cm measuring deviation due to manual measurement. _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Included: _x005f_x000D_ 1 * Lock _x005f_x000D_ 2 * Key _x005f_x000D_ 1 * Data cable _x005f_x000D_ 1 * Instructions 1. Multiple Unlocking Methods: 3 convenient and fast unlocking methods: TTLock APP, fingerprint, and emergency mechanical key. Supports fast unlocking of semiconductor fingerprint recognition, remote unlocking of mobile phone Bluetooth-compatible connection TTLock APP, and emergency mechanical key unlocking (in case of device malfunction or power outage) 2. High Quality Material: High quality zinc alloy lock head with sturdy structure to prevent illegal unlocking. Strong load-bearing capacity; Thickening and hardening, locking design to prevent external damage from others 3. Domestic Waterproofing: IP67 grade waterproofing, fearless of wind and rain outdoors. IP67 level protection, zinc alloy lock head, not easy to rust, preventing rainwater and dust from entering the lock body, fearless of wind and rain; The fingerprint is equipped with a sliding dust cover to prevent dust and rainwater from entering 4. Long Battery Life: Type-C emergency charging port, when you use it, prompts for insufficient battery charging, providing emergency power supply for you; Built in rechargeable lithium battery, Low-power electronics, intelligent power saving, extended battery life