Brand-YaSao Special feature-Keyless, Anti theft Lock type-Biometric Material-Alloy Steel Buy this keyless fingerprint lock to get rid of the troubles of losing keys or forgetting password. Your fingerprint is your password! Fingerprint ID function provides a safe and private way for unlocking and identity verifying. Improving safety for your doors, cabinets, bikes, backpacks, storage lockers and more! Note: 1. Please fully charge the product for the first time. 2. The first and second fingerprints are the administrator fingerprints by default. 3. Size and color may be slight different due to manual measurement and different light conditions, please in kind prevail. Thanks for understanding. Specifications: Color: Silver/ Black (Optional) Material: Zinc Alloy + Steel Response Time: <1s Fingerprint Capacity: 10 Fingerprints (Includes 2 Administrators) Emergency Unlock: Morse Code Built-in Battery: 3.7V 180mAh Lithium Battery Standby Time: about 6 Months Charging Type: Micro USB Waterproof: IP56 Working Temperature: -10℃~50℃ Item Size: 76 * 46 * 13mm / 2.99 * 1.81 * 0.51in Item Weight: 107g / 3.75oz Package Size: 10.5 * 7.5 * 2cm / 4.13 * 2.95 * 0.79in Package Weight: 131g / 4.61oz Package List: 1 * Smart Fingerprint Padlock 1 * USB Cable 1 * User Manual (English) 💌[Wide Application: perfectly used for doors, cabinets, bikes, backpacks, storage lockers, etc. Supports IP56 waterproof level. 💌[10 Fingerprints: the padlock supports up to 10 fingerprints recording (includes 2 administrators). 💌[Easy Operation: no need any tool, you can add fingerprints or reset the padlock easily by following the instructions of the user manual. 💌[Morse Code for Emergency: Set morse code unlocking in advance, it helps when your fingerprint can't unlock the padlock. 💌[Rechargeable Battery: built-in 180mAh rechargeable lithium battery, about 6 months long standby time.