Indoor and outdoor use, gym lockers, school lockers, furniture, wardrobes, bicycles and other items you want to protect.Name: Fingerprint LockWeight: 90gSize: 7.6x4.6x1.3cmMaterial: Zinc AlloyWorking voltage: 3.0-4.2VLight: three-color light: red/blue/greenWorking temperature: -10~+40 degrees CelsiusFingerprint capacity: record 10 times, save 10 groupsPacking list: 1x fingerprint lock.notes:1. Due to manual measurement, please allow an error of 0-2 cm. Thank you for your understanding.2. The monitor is not calibrated, and the color of the object shown in the photo may be slightly different from the actual product.happy shopping!If you have any questions, please contact us in time, we will solve it for you as soon as possible.