タイトルまたは説明

1. Especially suitable for installation by non-professionals. 2.High quality with competitive price. 3.Very easy to operate, suitable for office, house and apartment. ***** are two kinds of passwords: Master password and sub-password, which are easy to manage. ***** master password freely. ***** password can be used to add or delete any sub-password. *****-key opening function: freely press any key to open the lock. ***** wrong passwords are put for 3 times continuously, it will stop for *0 seconds automatically. ***** keys for emergency use. ***** are three kinds of mortises for you to adopt: Single- latch, four-latch, and five-latch. *1.Password capacity is **0. *2.Use 9V back up battery when the power is low, which is safe and convenient.