Description: With a large capacity rechargeable battery, this fingerprint padlock offers an extra long endurance of 1 year. Through the USB port, you can charge it with a USB cable or with a power bank. When the red light is on, the padlock is charging and can be unlocked normally, and when the light is off, it means it is fully charged. You can hang this smart lock on drawers, safes, warehouse lockers, dormitory doors, used to protect privacy and prevent things from being stolen; with this fingerprint lock, you can enter the door even if you don't have a key, no longer have to worry about losing the key. It is constructed of zinc alloy material. The length of this smart fingerprint lock is 7.6cm, the width is 4.6cm and the height is 1.3cm. It is widely used in office or household cabinets, drawers, luggage, etc. Item Name: Fingerprint Lock Material: Zinc Alloy Features: 1S Quick Unlock, USB Rechargeable, Low Voltage Alarm Status Alert: Tri-Color LED Charging Time: 2-4 Hours Fingerprint Storage Quantity: 10 Pieces, Including Administrator 2 Pieces Number Of Presses During Fingerprint Entry: 5 Times Charging Interface: USB Maximum Standby Time: 1 Year Waterproof And Dustproof Rating: IP62 The Number of Times to Open The Lock After Fully Charged: 9000 Working Environment Temperature; -20 Degree Centigrade -65 Degree Centigrade Anti-Static Level: Contact: Minus or Plus 8K, Air Discharge: Minus or Plus 12K Low Battery Alarm: Red Light Flashes for 10 Seconds After Unlocking to Indicate Low Battery, Up to 200 Times Unlocking Size Details: LxWxH: 7.6cm x 4.6cm x 1.3cm/2.99" x 1.81" x 0.51"(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Fingerprint Lock