Password Cabinet Lock Home Security AntiTheft Long Standby Time Rechargeable with USB Port

Feature: 1. Password unlocking, and the longest 15?digit password can be set, so there is no need to worry about the problem that the door cannot be opened because the key is lost. 2. Low battery reminder function, when the battery is low, the lock can be unlocked about 500 times at this time, please replace the battery as soon as possible. 3. If the password is entered incorrectly for 3 consecutive times, the password lock will alarm for 60 seconds, output the correct password to unlock. 4. Support long?term standby (built?in battery), and the use time can up to 6?9 months. 5. With USB emergency charging hole, it can be charged through it in an emergency. Specification: Item Type: Password Cabinet Lock Material: Zinc alloy + ABS plastic Password Length: 1-15 digits Working Voltage: DC 2.3-3.3V Battery Specification: LIR2032 (Rechargeable) Battery Capacity: 80mAh (Built-in) Standby Current: less than 6microamps Maximum Current: Average value less than 5mA Battery Life: 6-9 months Installation Hole Diameter: Approx. 16-19mm/0.6-0.7in Board Thickness Requirement: >0.5mm/0.02in Working Temperature: -20-70 celsius Relative Humidity: 20percent -80percent . Package List: 1 x Lock1 x Lock Box1 x Installation Kit1 x Instruction